Technology | 🗖 nosplit | ↑ parent "Ciro Santilli's Homepage" | 0, 566, 27k

🗖 nosplit | ⇓ toc | ↑ parent "Ciro Santilli's Homepage" | Wikipedia | 0, 566, 27k

Table of contents | 0, 566, 27k
- 1. Deep tech | 440 | 🔗 link | 🗖 nosplit | ↑ parent "Technology"
- 2. Brain-computer interface | 10, 1, 68 | 🔗 link | 🗖 nosplit | ↑ parent "Technology"
  - 2.1. Neuralink | 58 | 🔗 link | 🗖 nosplit | ↑ parent "Brain-computer interface"
- 3. Fusion power | 19, 2, 39 | 🔗 link | 🗖 nosplit | ↑ parent "Technology"
  - 3.1. Magnetic confinement fusion | 20, 1, 20 | 🔗 link | 🗖 nosplit | ↑ parent "Fusion power"
    - 3.1.1. ITER | 🔗 link | 🗖 nosplit | ↑ parent "Magnetic confinement fusion"
- 4. Computer | 140, 384, 14k | 🔗 link | 🗖 nosplit | ↑ parent "Technology"
  - 4.1. How computers work? | 165 | 🔗 link | 🗖 nosplit | ↑ parent "Computer"
  - 4.2. Artificial general intelligence (AGI) | 138 | 🔗 link | 🗖 nosplit | ↑ parent "Computer"
  - 4.3. Computer hardware | 0, 40, 1k | 🔗 link | 🗖 nosplit | ↑ parent "Computer"
    - 4.3.1. Moore's law | 4 | 🔗 link | 🗖 nosplit | ↑ parent "Computer hardware"
    - 4.3.2. Semiconductor physical implementation | 116, 4, 160 | 🔗 link | 🗖 nosplit | ↑ parent "Computer hardware"
    - 4.3.3. Integrated circuit (IC) | 🔗 link | 🗖 nosplit | ↑ parent "Computer hardware"
    - 4.3.4. Application-specific integrated circuit (ASIC) | 🔗 link | 🗖 nosplit | ↑ parent "Computer hardware"
    - 4.3.5. Register transfer level (RTL) | 169, 4, 170 | 🔗 link | 🗖 nosplit | ↑ parent "Computer hardware"
      - 4.3.5.1. Logic gate | 🔗 link | 🗖 nosplit | ↑ parent "Register transfer level"
      - 4.3.5.2. Verilog | 🔗 link | 🗖 nosplit | ↑ parent "Register transfer level"
      - 4.3.5.3. VHDL | 0, 1, 1 | 🔗 link | 🗖 nosplit | ↑ parent "Register transfer level"
        
        4.3.5.3.1. GHDL | 1 | 🔗 link | 🗖 nosplit | ↑ parent "VHDL"
    - 4.3.6. Central processing unit (CPU) | 0, 1, 12 | 🔗 link | 🗖 nosplit | ↑ parent "Computer hardware"
      - 4.3.6.1. Microprocessor | 12 | 🔗 link | 🗖 nosplit | ↑ parent "Central processing unit"
    - 4.3.7. Computer data storage | 0, 7, 80 | 🔗 link | 🗖 nosplit | ↑ parent "Computer hardware"
      - 4.3.7.1. Random-access memory (RAM) | 19, 4, 32 | 🔗 link | 🗖 nosplit | ↑ parent "Computer data storage"
        
        4.3.7.1.1. Static random-access memory (SRAM) | 🔗 link | 🗖 nosplit | ↑ parent "Random-access memory"
        
        4.3.7.1.2. Dynamic random-access memory (DRAM) | 13, 2, 13 | 🔗 link | 🗖 nosplit | ↑ parent "Random-access memory"
        
        4.3.7.1.2.1. Synchronous dynamic random-access memory (SDRAM) | 0, 1, 0 | 🔗 link | 🗖 nosplit | ↑ parent "Dynamic random-access memory"
        
        4.3.7.1.2.1.1. DDR SDRAM (DDR SDRAM) | 🔗 link | 🗖 nosplit | ↑ parent "Synchronous dynamic random-access memory"
      - 4.3.7.2. Solid-state drive (SSD) | 0, 1, 48 | 🔗 link | 🗖 nosplit | ↑ parent "Computer data storage"
        
        4.3.7.2.1. Flash memory | 48 | 🔗 link | 🗖 nosplit | ↑ parent "Solid-state drive"
    - 4.3.8. Display device | 0, 2, 94 | 🔗 link | 🗖 nosplit | ↑ parent "Computer hardware"
      - 4.3.8.1. E Ink | 94, 1, 94 | 🔗 link | 🗖 nosplit | ↑ parent "Display device"
        
        4.3.8.1.1. Amazon Kindle | 🔗 link | 🗖 nosplit | ↑ parent "E Ink"
    - 4.3.9. Instruction set architecture | 19, 6, 83 | 🔗 link | 🗖 nosplit | ↑ parent "Computer hardware"
      - 4.3.9.1. Assembly language | 36, 1, 36 | 🔗 link | 🗖 nosplit | ↑ parent "Instruction set architecture"
        
        4.3.9.1.1. Assembler (computing) | 🔗 link | 🗖 nosplit | ↑ parent "Assembly language"
      - 4.3.9.2. List of instruction set architectures | 9, 3, 28 | 🔗 link | 🗖 nosplit | ↑ parent "Instruction set architecture"
        
        4.3.9.2.1. x86 | 0, 1, 19 | 🔗 link | 🗖 nosplit | ↑ parent "List of instruction set architectures"
        
        x86 Paging Tutorial | 19 | 🔗 link | 🗖 nosplit
        
        4.3.9.2.2. PowerPC | 🔗 link | 🗖 nosplit | ↑ parent "List of instruction set architectures"
    - 4.3.10. Computer manufacturers | 0, 6, 403 | 🔗 link | 🗖 nosplit | ↑ parent "Computer hardware"
      - 4.3.10.1. Lenovo | 99, 1, 384 | 🔗 link | 🗖 nosplit | ↑ parent "Computer manufacturers"
        
        4.3.10.1.1. ThinkPad | 285 | 🔗 link | 🗖 nosplit | ↑ parent "Lenovo"
      - 4.3.10.2. Raspberry Pi Foundation | 0, 3, 19 | 🔗 link | 🗖 nosplit | ↑ parent "Computer manufacturers"
        
        4.3.10.2.1. Raspberry Pi | 🔗 link | 🗖 nosplit | ↑ parent "Raspberry Pi Foundation"
        
        4.3.10.2.2. Raspberry Pi 2 | 7 | 🔗 link | 🗖 nosplit | ↑ parent "Raspberry Pi Foundation"
        
        4.3.10.2.3. Raspberry Pi 3 | 12 | 🔗 link | 🗖 nosplit | ↑ parent "Raspberry Pi Foundation"
  - 4.4. Computer science | 223, 61, 2k | 🔗 link | 🗖 nosplit | ↑ parent "Computer"
    - 4.4.1. Turing machine | 90, 2, 165 | 🔗 link | 🗖 nosplit | ↑ parent "Computer science"
      - 4.4.1.1. Universal Turing machine | 53 | 🔗 link | 🗖 nosplit | ↑ parent "Turing machine"
      - 4.4.1.2. Turing complete | 22 | 🔗 link | 🗖 nosplit | ↑ parent "Turing machine"
    - 4.4.2. Formal language theory | 0, 11, 322 | 🔗 link | 🗖 nosplit | ↑ parent "Computer science"
      - 4.4.2.1. Formal language | 🔗 link | 🗖 nosplit | ↑ parent "Formal language theory"
      - 4.4.2.2. Recursively enumerable language | 30, 1, 30 | 🔗 link | 🗖 nosplit | ↑ parent "Formal language theory"
        
        4.4.2.2.1. RE (complexity) | 🔗 link | 🗖 nosplit | ↑ parent "Recursively enumerable language"
      - 4.4.2.3. Recursive language | 17, 6, 246 | 🔗 link | 🗖 nosplit | ↑ parent "Formal language theory"
        
        4.4.2.3.1. R (complexity) | 34 | 🔗 link | 🗖 nosplit | ↑ parent "Recursive language"
        
        4.4.2.3.2. Undecidable problem | 129, 2, 174 | 🔗 link | 🗖 nosplit | ↑ parent "Recursive language"
        
        4.4.2.3.2.1. Mortal matrix problem | 14 | 🔗 link | 🗖 nosplit | ↑ parent "Undecidable problem"
        
        4.4.2.3.2.2. Computable problem | 31 | 🔗 link | 🗖 nosplit | ↑ parent "Undecidable problem"
        
        4.4.2.3.3. Difference between recursive language and recursively enumerable language | 1 | 🔗 link | 🗖 nosplit | ↑ parent "Recursive language"
        
        4.4.2.3.4. Recursive set | 20 | 🔗 link | 🗖 nosplit | ↑ parent "Recursive language"
      - 4.4.2.4. Chomsky hierarchy | 46 | 🔗 link | 🗖 nosplit | ↑ parent "Formal language theory"
    - 4.4.3. Computational problem | 13, 19, 621 | 🔗 link | 🗖 nosplit | ↑ parent "Computer science"
      - 4.4.3.1. Decision problem | 69, 6, 305 | 🔗 link | 🗖 nosplit | ↑ parent "Computational problem"
        
        4.4.3.1.1. Halting problem | 9 | 🔗 link | 🗖 nosplit | ↑ parent "Decision problem"
        
        4.4.3.1.2. Function problem | 24, 4, 227 | 🔗 link | 🗖 nosplit | ↑ parent "Decision problem"
        
        4.4.3.1.2.1. Integer multiplication | 1 | 🔗 link | 🗖 nosplit | ↑ parent "Function problem"
        
        4.4.3.1.2.2. Integer factorization | 87, 1, 171 | 🔗 link | 🗖 nosplit | ↑ parent "Function problem"
        
        4.4.3.1.2.2.1. NP-hard cryptosystems | 84 | 🔗 link | 🗖 nosplit | ↑ parent "Integer factorization"
        
        4.4.3.1.2.3. Discrete logarithm | 31 | 🔗 link | 🗖 nosplit | ↑ parent "Function problem"
      - 4.4.3.2. Algorithm | 11 | 🔗 link | 🗖 nosplit | ↑ parent "Computational problem"
      - 4.4.3.3. Complexity class | 0, 10, 292 | 🔗 link | 🗖 nosplit | ↑ parent "Computational problem"
        
        4.4.3.3.1. P (complexity) | 🔗 link | 🗖 nosplit | ↑ parent "Complexity class"
        
        4.4.3.3.2. NP (complexity) | 8, 8, 292 | 🔗 link | 🗖 nosplit | ↑ parent "Complexity class"
        
        4.4.3.3.2.1. NP-complete | 19, 3, 75 | 🔗 link | 🗖 nosplit | ↑ parent "NP"
        
        4.4.3.3.2.1.1. Cook-Levin theorem | 🔗 link | 🗖 nosplit | ↑ parent "NP-complete"
        
        4.4.3.3.2.1.2. P versus NP problem (P vs NP) | 56, 1, 56 | 🔗 link | 🗖 nosplit | ↑ parent "NP-complete"
        
        4.4.3.3.2.1.2.1. Ladner’s Theorem | 🔗 link | 🗖 nosplit | ↑ parent "P versus NP problem"
        
        4.4.3.3.2.2. NP-hard | 15 | 🔗 link | 🗖 nosplit | ↑ parent "NP"
        
        4.4.3.3.2.3. NP-intermediate | 54, 1, 185 | 🔗 link | 🗖 nosplit | ↑ parent "NP"
        
        4.4.3.3.2.3.1. BQP | 131 | 🔗 link | 🗖 nosplit | ↑ parent "NP-intermediate"
        
        4.4.3.3.2.4. Co-NP | 9 | 🔗 link | 🗖 nosplit | ↑ parent "NP"
    - 4.4.4. Cryptography | 0, 24, 545 | 🔗 link | 🗖 nosplit | ↑ parent "Computer science"
      - 4.4.4.1. Public-key cryptography | 19, 7, 434 | 🔗 link | 🗖 nosplit | ↑ parent "Cryptography"
        
        4.4.4.1.1. Digital signature | 19 | 🔗 link | 🗖 nosplit | ↑ parent "Public-key cryptography"
        
        4.4.4.1.2. RSA (cryptosystem) | 203, 2, 346 | 🔗 link | 🗖 nosplit | ↑ parent "Public-key cryptography"
        
        4.4.4.1.2.1. How large primes are found for RSA | 105 | 🔗 link | 🗖 nosplit | ↑ parent "RSA"
        
        4.4.4.1.2.2. RSA vs Diffie-Hellman | 38 | 🔗 link | 🗖 nosplit | ↑ parent "RSA"
        
        4.4.4.1.3. Diffie-Hellman key exchange | 34 | 🔗 link | 🗖 nosplit | ↑ parent "Public-key cryptography"
        
        4.4.4.1.4. Elliptic curve cryptography | 0, 1, 16 | 🔗 link | 🗖 nosplit | ↑ parent "Public-key cryptography"
        
        4.4.4.1.4.1. Elliptic-curve Diffie-Hellman (ECDH) | 16 | 🔗 link | 🗖 nosplit | ↑ parent "Elliptic curve cryptography"
      - 4.4.4.2. Encryption | 0, 6, 24 | 🔗 link | 🗖 nosplit | ↑ parent "Cryptography"
        
        4.4.4.2.1. Deniable authentication | 🔗 link | 🗖 nosplit | ↑ parent "Encryption"
        
        4.4.4.2.2. End-to-end encryption (E2EE) | 🔗 link | 🗖 nosplit | ↑ parent "Encryption"
        
        4.4.4.2.3. Forward secrecy | 1 | 🔗 link | 🗖 nosplit | ↑ parent "Encryption"
        
        4.4.4.2.4. Disk encryption | 0, 2, 23 | 🔗 link | 🗖 nosplit | ↑ parent "Encryption"
        
        4.4.4.2.4.1. Linux Unified Key Setup (LUKS) | 🔗 link | 🗖 nosplit | ↑ parent "Disk encryption"
        
        4.4.4.2.4.2. Disk encryption password handover plausible deniability | 23 | 🔗 link | 🗖 nosplit | ↑ parent "Disk encryption"
      - 4.4.4.3. GNU Privacy Guard (GnuPG, GPG) | 68 | 🔗 link | 🗖 nosplit | ↑ parent "Cryptography"
      - 4.4.4.4. Internet privacy | 0, 7, 19 | 🔗 link | 🗖 nosplit | ↑ parent "Cryptography"
        
        4.4.4.4.1. Internet privacy organizations | 0, 1, 0 | 🔗 link | 🗖 nosplit | ↑ parent "Internet privacy"
        
        4.4.4.4.1.1. Riseup | 🔗 link | 🗖 nosplit | ↑ parent "Internet privacy organizations"
        
        4.4.4.4.2. Operations security (OPSEC) | 🔗 link | 🗖 nosplit | ↑ parent "Internet privacy"
        
        4.4.4.4.3. Tor (anonymity network) | 0, 3, 19 | 🔗 link | 🗖 nosplit | ↑ parent "Internet privacy"
        
        4.4.4.4.3.1. Tor Browser | 🔗 link | 🗖 nosplit | ↑ parent "Tor"
        
        4.4.4.4.3.2. Tor Onion service | 19 | 🔗 link | 🗖 nosplit | ↑ parent "Tor"
        
        4.4.4.4.3.3. The Hidden Wiki | 🔗 link | 🗖 nosplit | ↑ parent "Tor"
    - 4.4.5. Hash function | 56 | 🔗 link | 🗖 nosplit | ↑ parent "Computer science"
  - 4.5. Cyber crime | 0, 2, 615 | 🔗 link | 🗖 nosplit | ↑ parent "Computer"
    - 4.5.1. Silk Road (marketplace) | 615, 1, 615 | 🔗 link | 🗖 nosplit | ↑ parent "Cyber crime"
      - 4.5.1.1. Ross Ulbricht | 🔗 link | 🗖 nosplit | ↑ parent "Silk Road"
  - 4.6. Domain-specific language (DSL) | 36 | 🔗 link | 🗖 nosplit | ↑ parent "Computer"
  - 4.7. E-book | 0, 6, 23 | 🔗 link | 🗖 nosplit | ↑ parent "Computer"
    - 4.7.1. E-book file format | 0, 2, 0 | 🔗 link | 🗖 nosplit | ↑ parent "E-book"
      - 4.7.1.1. ASCII | 🔗 link | 🗖 nosplit | ↑ parent "E-book file format"
      - 4.7.1.2. PDF | 🔗 link | 🗖 nosplit | ↑ parent "E-book file format"
    - 4.7.2. E-book viewer | 0, 2, 23 | 🔗 link | 🗖 nosplit | ↑ parent "E-book"
      - 4.7.2.1. Evince | 🔗 link | 🗖 nosplit | ↑ parent "E-book viewer"
      - 4.7.2.2. Okular | 23 | 🔗 link | 🗖 nosplit | ↑ parent "E-book viewer"
  - 4.8. File format | 0, 22, 516 | 🔗 link | 🗖 nosplit | ↑ parent "Computer"
    - 4.8.1. Human-readable medium | 0, 5, 21 | 🔗 link | 🗖 nosplit | ↑ parent "File format"
      - 4.8.1.1. Binary data | 11, 4, 21 | 🔗 link | 🗖 nosplit | ↑ parent "Human-readable medium"
        
        4.8.1.1.1. Binary large object | 🔗 link | 🗖 nosplit | ↑ parent "Binary data"
        
        4.8.1.1.2. Binary-to-text encoding | 0, 2, 10 | 🔗 link | 🗖 nosplit | ↑ parent "Binary data"
        
        4.8.1.1.2.1. Base58 | 10 | 🔗 link | 🗖 nosplit | ↑ parent "Binary-to-text encoding"
        
        4.8.1.1.2.2. Base64 | 🔗 link | 🗖 nosplit | ↑ parent "Binary-to-text encoding"
    - 4.8.2. Audio file format | 0, 3, 353 | 🔗 link | 🗖 nosplit | ↑ parent "File format"
      - 4.8.2.1. MIDI | 120, 2, 353 | 🔗 link | 🗖 nosplit | ↑ parent "Audio file format"
        
        4.8.2.1.1. SoundFont | 31 | 🔗 link | 🗖 nosplit | ↑ parent "MIDI"
        
        4.8.2.1.2. vmpk | 202 | 🔗 link | 🗖 nosplit | ↑ parent "MIDI"
    - 4.8.3. Data file format | 0, 3, 18 | 🔗 link | 🗖 nosplit | ↑ parent "File format"
      - 4.8.3.1. JSON | 🔗 link | 🗖 nosplit | ↑ parent "Data file format"
      - 4.8.3.2. XML | 18 | 🔗 link | 🗖 nosplit | ↑ parent "Data file format"
      - 4.8.3.3. YAML | 🔗 link | 🗖 nosplit | ↑ parent "Data file format"
    - 4.8.4. Image file format | 0, 7, 124 | 🔗 link | 🗖 nosplit | ↑ parent "File format"
      - 4.8.4.1. JPEG | 🔗 link | 🗖 nosplit | ↑ parent "Image file format"
      - 4.8.4.2. Portable Network Graphics (PNG) | 🔗 link | 🗖 nosplit | ↑ parent "Image file format"
      - 4.8.4.3. Vector graphics | 17, 2, 81 | 🔗 link | 🗖 nosplit | ↑ parent "Image file format"
        
        4.8.4.3.1. Scalable Vector Graphics (SVG) | 57, 1, 64 | 🔗 link | 🗖 nosplit | ↑ parent "Vector graphics"
        
        4.8.4.3.1.1. Inkscape | 7 | 🔗 link | 🗖 nosplit | ↑ parent "Scalable Vector Graphics"
      - 4.8.4.4. Image editor | 0, 1, 43 | 🔗 link | 🗖 nosplit | ↑ parent "Image file format"
        
        4.8.4.4.1. GIMP | 43 | 🔗 link | 🗖 nosplit | ↑ parent "Image editor"
  - 4.9. Information theory | 0, 3, 206 | 🔗 link | 🗖 nosplit | ↑ parent "Computer"
    - 4.9.1. Noisy-channel coding theorem (Shannon's theorem) | 197, 2, 206 | 🔗 link | 🗖 nosplit | ↑ parent "Information theory"
      - 4.9.1.1. Turbo code | 9 | 🔗 link | 🗖 nosplit | ↑ parent "Noisy-channel coding theorem"
      - 4.9.1.2. Low-density parity-check code (LDPC) | 🔗 link | 🗖 nosplit | ↑ parent "Noisy-channel coding theorem"
  - 4.10. Computer network | 0, 1, 0 | 🔗 link | 🗖 nosplit | ↑ parent "Computer"
    - 4.10.1. Internet | 🔗 link | 🗖 nosplit | ↑ parent "Computer network"
  - 4.11. Markup language | 0, 12, 371 | 🔗 link | 🗖 nosplit | ↑ parent "Computer"
    - 4.11.1. Cirodown | 23 | 🔗 link | 🗖 nosplit | ↑ parent "Markup language"
    - 4.11.2. LaTeX | 39, 2, 99 | 🔗 link | 🗖 nosplit | ↑ parent "Markup language"
      - 4.11.2.1. KaTeX | 22 | 🔗 link | 🗖 nosplit | ↑ parent "LaTeX"
      - 4.11.2.2. Softcover (LaTeX) | 38 | 🔗 link | 🗖 nosplit | ↑ parent "LaTeX"
    - 4.11.3. Markdown | 0, 4, 154 | 🔗 link | 🗖 nosplit | ↑ parent "Markup language"
      - 4.11.3.1. Pandoc | 38 | 🔗 link | 🗖 nosplit | ↑ parent "Markdown"
      - 4.11.3.2. karlcow/markdown-testsuite | 40 | 🔗 link | 🗖 nosplit | ↑ parent "Markdown"
      - 4.11.3.3. CommonMark | 75 | 🔗 link | 🗖 nosplit | ↑ parent "Markdown"
      - 4.11.3.4. markdownlint/markdownlint | 1 | 🔗 link | 🗖 nosplit | ↑ parent "Markdown"
    - 4.11.4. Numerical computing language | 95, 2, 95 | 🔗 link | 🗖 nosplit | ↑ parent "Markup language"
      - 4.11.4.1. Scilab | 🔗 link | 🗖 nosplit | ↑ parent "Numerical computing language"
      - 4.11.4.2. MATLAB | 🔗 link | 🗖 nosplit | ↑ parent "Numerical computing language"
  - 4.12. Machine learning | 76, 1, 137 | 🔗 link | 🗖 nosplit | ↑ parent "Computer"
    - 4.12.1. Natural language processing | 61 | 🔗 link | 🗖 nosplit | ↑ parent "Machine learning"
  - 4.13. Quantum computing | 75, 20, 1k | 🔗 link | 🗖 nosplit | ↑ parent "Computer"
    - Programmer's model of quantum computers | 19 | 🔗 link | 🗖 nosplit
    - 4.13.2. Quantum algorithm | 176, 1, 176 | 🔗 link | 🗖 nosplit | ↑ parent "Quantum computing"
      - 4.13.2.1. Grover's algorithm | 🔗 link | 🗖 nosplit | ↑ parent "Quantum algorithm"
    - 4.13.3. Quantum error correction | 85 | 🔗 link | 🗖 nosplit | ↑ parent "Quantum computing"
    - 4.13.4. Quantum computing players | 48 | 🔗 link | 🗖 nosplit | ↑ parent "Quantum computing"
    - 4.13.5. Organizations developing quantum hardware | 0, 2, 34 | 🔗 link | 🗖 nosplit | ↑ parent "Quantum computing"
      - 4.13.5.1. D-Wave Systems | 1 | 🔗 link | 🗖 nosplit | ↑ parent "Organizations developing quantum hardware"
      - 4.13.5.2. PsiQuantum | 33 | 🔗 link | 🗖 nosplit | ↑ parent "Organizations developing quantum hardware"
    - 4.13.6. Organizations developing quantum software | 0, 1, 35 | 🔗 link | 🗖 nosplit | ↑ parent "Quantum computing"
      - 4.13.6.1. Cambridge Quantum Computing | 35 | 🔗 link | 🗖 nosplit | ↑ parent "Organizations developing quantum software"
    - 4.13.7. Quantum computer physical implementations | 43, 5, 720 | 🔗 link | 🗖 nosplit | ↑ parent "Quantum computing"
    - 4.13.8. Timeline of quantum computing | 🔗 link | 🗖 nosplit | ↑ parent "Quantum computing"
    - 4.13.9. Superconducting quantum computing | 3 | 🔗 link | 🗖 nosplit | ↑ parent "Quantum computing"
    - 4.13.10. Quantum computer simulator | 43, 1, 55 | 🔗 link | 🗖 nosplit | ↑ parent "Quantum computing"
      - 4.13.10.1. Qiskit | 12 | 🔗 link | 🗖 nosplit | ↑ parent "Quantum computer simulator"
  - 4.14. Software | 0, 202, 7k | 🔗 link | 🗖 nosplit | ↑ parent "Computer"
    - 4.14.1. Web browser | 🔗 link | 🗖 nosplit | ↑ parent "Software"
    - 4.14.2. Compiler | 0, 2, 0 | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.2.1. Binutils | 🔗 link | 🗖 nosplit | ↑ parent "Compiler"
      - 4.14.2.2. GNU Compiler Collection (gcc) | 🔗 link | 🗖 nosplit | ↑ parent "Compiler"
    - 4.14.3. Computer-aided design (CAD) | 0, 2, 0 | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.3.1. Open source CAD software | 0, 1, 0 | 🔗 link | 🗖 nosplit | ↑ parent "Computer-aided design"
        
        4.14.3.1.1. FreeCAD | 🔗 link | 🗖 nosplit | ↑ parent "Open source CAD software"
    - 4.14.4. Computer graphics | 1, 16, 375 | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.4.1. Mathematics illustration software | 27 | 🔗 link | 🗖 nosplit | ↑ parent "Computer graphics"
      - 4.14.4.2. Scientific visualization software | 17, 3, 22 | 🔗 link | 🗖 nosplit | ↑ parent "Computer graphics"
        
        4.14.4.2.1. Open source scientific computing consultancies | 5, 2, 5 | 🔗 link | 🗖 nosplit | ↑ parent "Scientific visualization software"
        
        4.14.4.2.1.1. Enthought | 🔗 link | 🗖 nosplit | ↑ parent "Open source scientific computing consultancies"
        
        4.14.4.2.1.2. Kitware | 🔗 link | 🗖 nosplit | ↑ parent "Open source scientific computing consultancies"
      - 4.14.4.3. Plotting software | 0, 3, 187 | 🔗 link | 🗖 nosplit | ↑ parent "Computer graphics"
        
        4.14.4.3.1. Survey of open source interactive plotting software with a 10 million point scatter plot benchmark by Ciro Santilli | 13 | 🔗 link | 🗖 nosplit | ↑ parent "Plotting software"
        
        4.14.4.3.2. Matplotlib | 94 | 🔗 link | 🗖 nosplit | ↑ parent "Plotting software"
        
        4.14.4.3.3. gnuplot | 80 | 🔗 link | 🗖 nosplit | ↑ parent "Plotting software"
      - 4.14.4.4. OpenGL | 20, 2, 55 | 🔗 link | 🗖 nosplit | ↑ parent "Computer graphics"
        
        4.14.4.4.1. Freetype GL | 17 | 🔗 link | 🗖 nosplit | ↑ parent "OpenGL"
        
        4.14.4.4.2. opengl-tutorial.org | 18 | 🔗 link | 🗖 nosplit | ↑ parent "OpenGL"
      - 4.14.4.5. JavaScript graphics library | 0, 3, 83 | 🔗 link | 🗖 nosplit | ↑ parent "Computer graphics"
        
        4.14.4.5.1. Paper.js | 1 | 🔗 link | 🗖 nosplit | ↑ parent "JavaScript graphics library"
        
        4.14.4.5.2. Pixi.js | 1 | 🔗 link | 🗖 nosplit | ↑ parent "JavaScript graphics library"
        
        4.14.4.5.3. Two.js | 81 | 🔗 link | 🗖 nosplit | ↑ parent "JavaScript graphics library"
    - 4.14.5. Computer security | 0, 13, 91 | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.5.1. Arbitrary code execution (ACE) | 🔗 link | 🗖 nosplit | ↑ parent "Computer security"
      - 4.14.5.2. Multi-factor authentication (2FA) | 0, 2, 66 | 🔗 link | 🗖 nosplit | ↑ parent "Computer security"
        
        4.14.5.2.1. 2FA app | 🔗 link | 🗖 nosplit | ↑ parent "Multi-factor authentication"
        
        4.14.5.2.2. Google 2FA app token can be updated without checking the old 2FA | 66 | 🔗 link | 🗖 nosplit | ↑ parent "Multi-factor authentication"
      - 4.14.5.3. OAuth | 🔗 link | 🗖 nosplit | ↑ parent "Computer security"
      - 4.14.5.4. Security through obscurity | 2, 1, 25 | 🔗 link | 🗖 nosplit | ↑ parent "Computer security"
        
        4.14.5.4.1. Kerckhoffs's principle | 23 | 🔗 link | 🗖 nosplit | ↑ parent "Security through obscurity"
      - 4.14.5.5. Malware | 🔗 link | 🗖 nosplit | ↑ parent "Computer security"
      - 4.14.5.6. Ransomware | 🔗 link | 🗖 nosplit | ↑ parent "Computer security"
      - 4.14.5.7. Data breach | 0, 3, 0 | 🔗 link | 🗖 nosplit | ↑ parent "Computer security"
        
        4.14.5.7.1. WikiLeaks | 🔗 link | 🗖 nosplit | ↑ parent "Data breach"
        
        4.14.5.7.2. List of data breaches | 0, 1, 0 | 🔗 link | 🗖 nosplit | ↑ parent "Data breach"
        
        4.14.5.7.2.1. United States diplomatic cables leak (2010) | 🔗 link | 🗖 nosplit | ↑ parent "List of data breaches"
    - 4.14.6. Computer user-interface | 0, 4, 8 | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.6.1. Command-line interface (CLI) | 0, 1, 8 | 🔗 link | 🗖 nosplit | ↑ parent "Computer user-interface"
        
        4.14.6.1.1. Desktop environment | 8 | 🔗 link | 🗖 nosplit | ↑ parent "Command-line interface"
      - 4.14.6.2. Graphical user interface (GUI) | 0, 1, 0 | 🔗 link | 🗖 nosplit | ↑ parent "Computer user-interface"
        
        4.14.6.2.1. Qt (software) | 🔗 link | 🗖 nosplit | ↑ parent "Graphical user interface"
    - 4.14.7. Debugging | 6, 6, 178 | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.7.1. Bisection (software engineering) | 103 | 🔗 link | 🗖 nosplit | ↑ parent "Debugging"
      - 4.14.7.2. Debugger | 0, 4, 69 | 🔗 link | 🗖 nosplit | ↑ parent "Debugging"
        
        4.14.7.2.1. GNU Debugger (GDB) | 14, 3, 69 | 🔗 link | 🗖 nosplit | ↑ parent "Debugger"
        
        4.14.7.2.1.1. Reverse debugging | 35, 1, 36 | 🔗 link | 🗖 nosplit | ↑ parent "GNU Debugger"
        
        4.14.7.2.1.1.1. Mozilla rr | 1 | 🔗 link | 🗖 nosplit | ↑ parent "Reverse debugging"
        
        4.14.7.2.1.2. GDB Dashboard | 19 | 🔗 link | 🗖 nosplit | ↑ parent "GNU Debugger"
    - 4.14.8. File manager | 28, 2, 84 | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.8.1. Krusader | 37 | 🔗 link | 🗖 nosplit | ↑ parent "File manager"
      - 4.14.8.2. Ranger (file manager) | 19 | 🔗 link | 🗖 nosplit | ↑ parent "File manager"
    - 4.14.9. File sharing | 0, 1, 0 | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.9.1. BitTorrent | 🔗 link | 🗖 nosplit | ↑ parent "File sharing"
    - 4.14.10. Game engine | 9, 2, 49 | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.10.1. Cocos2d | 31 | 🔗 link | 🗖 nosplit | ↑ parent "Game engine"
      - 4.14.10.2. Urho3D | 9 | 🔗 link | 🗖 nosplit | ↑ parent "Game engine"
    - 4.14.11. Geographic information system (GIS) | 0, 3, 130 | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.11.1. Google Maps | 7 | 🔗 link | 🗖 nosplit | ↑ parent "Geographic information system"
      - 4.14.11.2. OpenStreetMaps (OSM) | 99 | 🔗 link | 🗖 nosplit | ↑ parent "Geographic information system"
      - 4.14.11.3. Ordnance Survey | 24 | 🔗 link | 🗖 nosplit | ↑ parent "Geographic information system"
    - 4.14.12. Integrated development environment (IDE) | 250, 5, 383 | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.12.1. Vim | 42 | 🔗 link | 🗖 nosplit | ↑ parent "Integrated development environment"
      - 4.14.12.2. vader.vim | 4, 3, 91 | 🔗 link | 🗖 nosplit | ↑ parent "Integrated development environment"
        
        4.14.12.2.1. plasticboy/vim-markdown | 29 | 🔗 link | 🗖 nosplit | ↑ parent "vader.vim"
        
        4.14.12.2.2. honza/vim-snippets | 1 | 🔗 link | 🗖 nosplit | ↑ parent "vader.vim"
        
        4.14.12.2.3. Vimium | 57 | 🔗 link | 🗖 nosplit | ↑ parent "vader.vim"
    - 4.14.13. Messaging software | 0, 25, 720 | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.13.1. Messaging software that force you to have a mobile phone | 189 | 🔗 link | 🗖 nosplit | ↑ parent "Messaging software"
      - 4.14.13.2. Serverless browser P2P chat | 21 | 🔗 link | 🗖 nosplit | ↑ parent "Messaging software"
      - 4.14.13.3. Email | 0, 6, 120 | 🔗 link | 🗖 nosplit | ↑ parent "Messaging software"
        
        4.14.13.3.1. Plausible deniability of email password handover | 109 | 🔗 link | 🗖 nosplit | ↑ parent "Email"
        
        4.14.13.3.2. List of email providers | 0, 4, 11 | 🔗 link | 🗖 nosplit | ↑ parent "Email"
        
        4.14.13.3.2.1. Gmail | 0, 1, 2 | 🔗 link | 🗖 nosplit | ↑ parent "List of email providers"
        
        4.14.13.3.2.1.1. Dots in Gmail address | 2 | 🔗 link | 🗖 nosplit | ↑ parent "Gmail"
        
        4.14.13.3.2.2. Gerrila Mail | 9 | 🔗 link | 🗖 nosplit | ↑ parent "List of email providers"
        
        4.14.13.3.2.3. ProtonMail | 🔗 link | 🗖 nosplit | ↑ parent "List of email providers"
      - 4.14.13.4. Instant messaging | 0, 15, 390 | 🔗 link | 🗖 nosplit | ↑ parent "Messaging software"
        
        4.14.13.4.1. Instant messaging vs email | 2 | 🔗 link | 🗖 nosplit | ↑ parent "Instant messaging"
        
        4.14.13.4.2. The perfect privacy messaging software features | 95 | 🔗 link | 🗖 nosplit | ↑ parent "Instant messaging"
        
        4.14.13.4.3. Open instant messaging protocols | 15, 3, 15 | 🔗 link | 🗖 nosplit | ↑ parent "Instant messaging"
        
        4.14.13.4.3.1. Internet Relay Chat (IRC) | 🔗 link | 🗖 nosplit | ↑ parent "Open instant messaging protocols"
        
        4.14.13.4.3.2. Signal protocol | 🔗 link | 🗖 nosplit | ↑ parent "Open instant messaging protocols"
        
        4.14.13.4.3.3. XMPP | 🔗 link | 🗖 nosplit | ↑ parent "Open instant messaging protocols"
        
        4.14.13.4.4. List of instant messaging software | 0, 8, 278 | 🔗 link | 🗖 nosplit | ↑ parent "Instant messaging"
        
        4.14.13.4.4.1. Bitmessage | 7 | 🔗 link | 🗖 nosplit | ↑ parent "List of instant messaging software"
        
        4.14.13.4.4.2. Discord (software) | 15 | 🔗 link | 🗖 nosplit | ↑ parent "List of instant messaging software"
        
        4.14.13.4.4.3. Jami (software, Ring) | 66 | 🔗 link | 🗖 nosplit | ↑ parent "List of instant messaging software"
        
        4.14.13.4.4.4. Jitsi | 37 | 🔗 link | 🗖 nosplit | ↑ parent "List of instant messaging software"
        
        4.14.13.4.4.5. Pidgin (software) | 🔗 link | 🗖 nosplit | ↑ parent "List of instant messaging software"
        
        4.14.13.4.4.6. Signal (software) | 60 | 🔗 link | 🗖 nosplit | ↑ parent "List of instant messaging software"
        
        4.14.13.4.4.7. Skype | 🔗 link | 🗖 nosplit | ↑ parent "List of instant messaging software"
        
        4.14.13.4.4.8. WhatsApp | 93 | 🔗 link | 🗖 nosplit | ↑ parent "List of instant messaging software"
    - 4.14.14. Multimedia software | 0, 3, 142 | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.14.1. FFmpeg | 108, 1, 142 | 🔗 link | 🗖 nosplit | ↑ parent "Multimedia software"
        
        4.14.14.1.1. FFmpeg is the backend of YouTube | 34 | 🔗 link | 🗖 nosplit | ↑ parent "FFmpeg"
      - 4.14.14.2. ImageMagick | 🔗 link | 🗖 nosplit | ↑ parent "Multimedia software"
    - 4.14.15. Open source software | 356, 7, 1k | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.15.1. Free and open-source software (FOSS) | 93, 1, 98 | 🔗 link | 🗖 nosplit | ↑ parent "Open source software"
        
        4.14.15.1.1. Open source software that is not-FOSS | 5 | 🔗 link | 🗖 nosplit | ↑ parent "Free and open-source software"
      - 4.14.15.2. Source code leaks | 52 | 🔗 link | 🗖 nosplit | ↑ parent "Open source software"
      - 4.14.15.3. Open knowledge | 33 | 🔗 link | 🗖 nosplit | ↑ parent "Open source software"
      - 4.14.15.4. Horrors of open source | 448 | 🔗 link | 🗖 nosplit | ↑ parent "Open source software"
      - 4.14.15.5. Closed source is less bad on online services | 31, 1, 91 | 🔗 link | 🗖 nosplit | ↑ parent "Open source software"
        
        4.14.15.5.1. Closed source offline software used by millions | 60 | 🔗 link | 🗖 nosplit | ↑ parent "Closed source is less bad on online services"
    - 4.14.16. Programming language | 485, 14, 864 | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.16.1. Programming languages without a decent dominating package system | 66 | 🔗 link | 🗖 nosplit | ↑ parent "Programming language"
      - 4.14.16.2. List of programming languages | 0, 12, 313 | 🔗 link | 🗖 nosplit | ↑ parent "Programming language"
        
        4.14.16.2.1. C (programming language) | 39 | 🔗 link | 🗖 nosplit | ↑ parent "List of programming languages"
        
        4.14.16.2.2. C++ (programming language) | 14 | 🔗 link | 🗖 nosplit | ↑ parent "List of programming languages"
        
        4.14.16.2.3. Haskell | 23 | 🔗 link | 🗖 nosplit | ↑ parent "List of programming languages"
        
        4.14.16.2.4. JavaScript | 31, 3, 72 | 🔗 link | 🗖 nosplit | ↑ parent "List of programming languages"
        
        4.14.16.2.4.1. Emscripten | 🔗 link | 🗖 nosplit | ↑ parent "JavaScript"
        
        4.14.16.2.4.2. Node.js | 31, 1, 41 | 🔗 link | 🗖 nosplit | ↑ parent "JavaScript"
        
        4.14.16.2.4.2.1. NVM | 10 | 🔗 link | 🗖 nosplit | ↑ parent "Node.js"
        
        4.14.16.2.5. Python (programming language) | 52, 2, 118 | 🔗 link | 🗖 nosplit | ↑ parent "List of programming languages"
        
        4.14.16.2.5.1. Jupyter Notebook | 45 | 🔗 link | 🗖 nosplit | ↑ parent "Python"
        
        4.14.16.2.5.2. NumPy | 21 | 🔗 link | 🗖 nosplit | ↑ parent "Python"
        
        4.14.16.2.6. Ruby (programming language) | 0, 1, 47 | 🔗 link | 🗖 nosplit | ↑ parent "List of programming languages"
        
        4.14.16.2.6.1. Ruby on Rails | 47 | 🔗 link | 🗖 nosplit | ↑ parent "Ruby"
    - 4.14.17. Relational database management system (RDBMS) | 0, 1, 22 | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.17.1. SQLite | 22 | 🔗 link | 🗖 nosplit | ↑ parent "Relational database management system"
    - 4.14.18. Software engineering | 0, 17, 1k | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.18.1. Ciro Santilli's software engineering wisdom | 0, 5, 588 | 🔗 link | 🗖 nosplit | ↑ parent "Software engineering"
        
        4.14.18.1.1. Excessive encapsulation is the root of much evil | 178 | 🔗 link | 🗖 nosplit | ↑ parent "Ciro Santilli's software engineering wisdom"
        
        4.14.18.1.2. The development cycle time is your God | 178 | 🔗 link | 🗖 nosplit | ↑ parent "Ciro Santilli's software engineering wisdom"
        
        4.14.18.1.3. It is impossible to predict how long it will take to do something | 63 | 🔗 link | 🗖 nosplit | ↑ parent "Ciro Santilli's software engineering wisdom"
        
        4.14.18.1.4. Office space design and remote work | 99 | 🔗 link | 🗖 nosplit | ↑ parent "Ciro Santilli's software engineering wisdom"
        
        4.14.18.1.5. Keep debug notes | 70 | 🔗 link | 🗖 nosplit | ↑ parent "Ciro Santilli's software engineering wisdom"
      - 4.14.18.2. Software engineer | 45, 10, 591 | 🔗 link | 🗖 nosplit | ↑ parent "Software engineering"
        
        4.14.18.2.1. The correlation between software engineers and Buddhism | 145 | 🔗 link | 🗖 nosplit | ↑ parent "Software engineer"
        
        4.14.18.2.2. List of software engineers | 0, 6, 400 | 🔗 link | 🗖 nosplit | ↑ parent "Software engineer"
        
        4.14.18.2.2.1. Aaron Swartz | 104, 1, 104 | 🔗 link | 🗖 nosplit | ↑ parent "List of software engineers"
        
        4.14.18.2.2.1.1. The Internet's Own Boy (2014) | 🔗 link | 🗖 nosplit | ↑ parent "Aaron Swartz"
        
        4.14.18.2.2.2. Dan Dascalescu | 9, 1, 27 | 🔗 link | 🗖 nosplit | ↑ parent "List of software engineers"
        
        4.14.18.2.2.2.1. English as a universal language by Dan Dascalescu (2008) | 18 | 🔗 link | 🗖 nosplit | ↑ parent "Dan Dascalescu"
        
        4.14.18.2.2.3. Eli Benderski | 65 | 🔗 link | 🗖 nosplit | ↑ parent "List of software engineers"
        
        4.14.18.2.2.4. Fabrice Bellard | 204 | 🔗 link | 🗖 nosplit | ↑ parent "List of software engineers"
        
        4.14.18.2.3. Gwern Branwen | 0, 1, 1 | 🔗 link | 🗖 nosplit | ↑ parent "Software engineer"
        
        4.14.18.2.3.1. gwern.net | 1 | 🔗 link | 🗖 nosplit | ↑ parent "Gwern Branwen"
    - 4.14.19. Systems programming | 36, 28, 1k | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.19.1. Operating system (OS) | 18, 19, 1k | 🔗 link | 🗖 nosplit | ↑ parent "Systems programming"
        
        4.14.19.1.1. Linux | 260, 12, 814 | 🔗 link | 🗖 nosplit | ↑ parent "Operating system"
        
        4.14.19.1.1.1. Tux (mascot) | 🔗 link | 🗖 nosplit | ↑ parent "Linux"
        
        4.14.19.1.1.2. Linux kernel | 17, 1, 45 | 🔗 link | 🗖 nosplit | ↑ parent "Linux"
        
        4.14.19.1.1.2.1. Linux insides | 28 | 🔗 link | 🗖 nosplit | ↑ parent "Linux kernel"
        
        4.14.19.1.1.3. Linux distribution | 0, 1, 68 | 🔗 link | 🗖 nosplit | ↑ parent "Linux"
        
        4.14.19.1.1.3.1. Linux distribution buildable from source | 68 | 🔗 link | 🗖 nosplit | ↑ parent "Linux distribution"
        
        4.14.19.1.1.4. List of Linux distributions | 0, 6, 441 | 🔗 link | 🗖 nosplit | ↑ parent "Linux"
        
        4.14.19.1.1.4.1. Android (operating system) | 224 | 🔗 link | 🗖 nosplit | ↑ parent "List of Linux distributions"
        
        4.14.19.1.1.4.2. Arch Linux | 44 | 🔗 link | 🗖 nosplit | ↑ parent "List of Linux distributions"
        
        4.14.19.1.1.4.3. Buildroot | 19, 1, 19 | 🔗 link | 🗖 nosplit | ↑ parent "List of Linux distributions"
        
        4.14.19.1.1.4.3.1. BusyBox | 🔗 link | 🗖 nosplit | ↑ parent "Buildroot"
        
        4.14.19.1.1.4.4. NixOS | 🔗 link | 🗖 nosplit | ↑ parent "List of Linux distributions"
        
        4.14.19.1.1.4.5. Ubuntu | 154 | 🔗 link | 🗖 nosplit | ↑ parent "List of Linux distributions"
        
        4.14.19.1.2. BSD Operating System | 23 | 🔗 link | 🗖 nosplit | ↑ parent "Operating system"
        
        4.14.19.1.3. Microsoft | 0, 2, 250 | 🔗 link | 🗖 nosplit | ↑ parent "Operating system"
        
        4.14.19.1.3.1. Microsoft Windows | 189 | 🔗 link | 🗖 nosplit | ↑ parent "Microsoft"
        
        4.14.19.1.3.2. Bill Gates | 61 | 🔗 link | 🗖 nosplit | ↑ parent "Microsoft"
        
        4.14.19.1.4. POSIX | 4 | 🔗 link | 🗖 nosplit | ↑ parent "Operating system"
        
        4.14.19.1.5. TempleOS | 44 | 🔗 link | 🗖 nosplit | ↑ parent "Operating system"
      - 4.14.19.2. Executable file format | 3, 2, 39 | 🔗 link | 🗖 nosplit | ↑ parent "Systems programming"
        
        4.14.19.2.1. Executable and Linkable Format (ELF) | 17, 1, 36 | 🔗 link | 🗖 nosplit | ↑ parent "Executable file format"
        
        ELF Hello World Tutorial | 19 | 🔗 link | 🗖 nosplit
      - 4.14.19.3. Virtualization | 0, 3, 94 | 🔗 link | 🗖 nosplit | ↑ parent "Systems programming"
        
        4.14.19.3.1. Docker (software) | 🔗 link | 🗖 nosplit | ↑ parent "Virtualization"
        
        4.14.19.3.2. Emulator | 36, 1, 94 | 🔗 link | 🗖 nosplit | ↑ parent "Virtualization"
        
        4.14.19.3.2.1. QEMU | 58 | 🔗 link | 🗖 nosplit | ↑ parent "Emulator"
      - 4.14.19.4. The most awesome systems programming software engineers of the 2000's | 65 | 🔗 link | 🗖 nosplit | ↑ parent "Systems programming"
    - 4.14.20. Terminal emulator | 13, 3, 25 | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.20.1. Yakuake | 1 | 🔗 link | 🗖 nosplit | ↑ parent "Terminal emulator"
      - 4.14.20.2. Terminal multiplexer | 0, 1, 11 | 🔗 link | 🗖 nosplit | ↑ parent "Terminal emulator"
        
        4.14.20.2.1. tmux | 11 | 🔗 link | 🗖 nosplit | ↑ parent "Terminal multiplexer"
    - 4.14.21. Version control | 0, 19, 194 | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.21.1. Concurrent Versions System (CSV) | 51 | 🔗 link | 🗖 nosplit | ↑ parent "Version control"
      - 4.14.21.2. Git | 0, 17, 143 | 🔗 link | 🗖 nosplit | ↑ parent "Version control"
        
        4.14.21.2.1. Git UI | 11, 1, 33 | 🔗 link | 🗖 nosplit | ↑ parent "Git"
        
        4.14.21.2.1.1. tig (git UI) | 22 | 🔗 link | 🗖 nosplit | ↑ parent "Git UI"
        
        4.14.21.2.2. Pro Git book | 1 | 🔗 link | 🗖 nosplit | ↑ parent "Git"
        
        4.14.21.2.3. libgit2 | 1, 1, 2 | 🔗 link | 🗖 nosplit | ↑ parent "Git"
        
        4.14.21.2.3.1. libgit2/rugged | 1 | 🔗 link | 🗖 nosplit | ↑ parent "libgit2"
        
        4.14.21.2.4. Git web interface | 0, 11, 107 | 🔗 link | 🗖 nosplit | ↑ parent "Git"
        
        4.14.21.2.4.1. GitHub | 53, 6, 79 | 🔗 link | 🗖 nosplit | ↑ parent "Git web interface"
        
        4.14.21.2.4.1.1. GitHub users deleted by GitHub | 1 | 🔗 link | 🗖 nosplit | ↑ parent "GitHub"
        
        4.14.21.2.4.1.2. GitHub Sponsors | 0, 1, 1 | 🔗 link | 🗖 nosplit | ↑ parent "GitHub"
        
        4.14.21.2.4.1.2.1. Who are the developers that are making the most money through GitHub sponsors? | 1 | 🔗 link | 🗖 nosplit | ↑ parent "GitHub Sponsors"
        
        4.14.21.2.4.1.3. GitHub Pages | 22 | 🔗 link | 🗖 nosplit | ↑ parent "GitHub"
        
        4.14.21.2.4.1.4. Octokat.js | 1, 1, 2 | 🔗 link | 🗖 nosplit | ↑ parent "GitHub"
        
        4.14.21.2.4.1.4.1. octokit.js | 1 | 🔗 link | 🗖 nosplit | ↑ parent "Octokat.js"
        
        4.14.21.2.4.2. GitLab | 24, 2, 26 | 🔗 link | 🗖 nosplit | ↑ parent "Git web interface"
        
        4.14.21.2.4.2.1. GitLab CI | 1 | 🔗 link | 🗖 nosplit | ↑ parent "GitLab"
        
        4.14.21.2.4.2.2. GitLab cookbook | 1 | 🔗 link | 🗖 nosplit | ↑ parent "GitLab"
        
        4.14.21.2.4.3. SourceForge | 2 | 🔗 link | 🗖 nosplit | ↑ parent "Git web interface"
    - 4.14.22. Web technology | 145, 5, 444 | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.22.1. HTML | 0, 2, 259 | 🔗 link | 🗖 nosplit | ↑ parent "Web technology"
        
        4.14.22.1.1. HTML canvas | 131, 1, 259 | 🔗 link | 🗖 nosplit | ↑ parent "HTML"
        
        4.14.22.1.1.1. WebGL | 128 | 🔗 link | 🗖 nosplit | ↑ parent "HTML canvas"
      - 4.14.22.2. Cascading Style Sheets (CSS) | 18, 1, 40 | 🔗 link | 🗖 nosplit | ↑ parent "Web technology"
        
        4.14.22.2.1. Sass (stylesheet language) | 22 | 🔗 link | 🗖 nosplit | ↑ parent "Cascading Style Sheets"
    - 4.14.23. Software bibliography | 0, 1, 1 | 🔗 link | 🗖 nosplit | ↑ parent "Software"
      - 4.14.23.1. EbookFoundation/free-programming-books | 1 | 🔗 link | 🗖 nosplit | ↑ parent "Software bibliography"
- 5. Reverse engineering | 82, 1, 170 | 🔗 link | 🗖 nosplit | ↑ parent "Technology"
  - 5.1. Science is the reverse engineering of nature | 88 | 🔗 link | 🗖 nosplit | ↑ parent "Reverse engineering"
- 6. Microscopy | 0, 11, 353 | 🔗 link | 🗖 nosplit | ↑ parent "Technology"
  - 6.1. Leeuwenhoek microscope | 24 | 🔗 link | 🗖 nosplit | ↑ parent "Microscopy"
  - 6.2. Phase-contrast microscopy | 🔗 link | 🗖 nosplit | ↑ parent "Microscopy"
  - 6.3. Electron microscope | 0, 6, 211 | 🔗 link | 🗖 nosplit | ↑ parent "Microscopy"
  - 6.4. Two-photon excitation microscopy | 41 | 🔗 link | 🗖 nosplit | ↑ parent "Microscopy"
  - 6.5. X-ray crystallography | 77 | 🔗 link | 🗖 nosplit | ↑ parent "Microscopy"
- 7. Electronics | 0, 1, 0 | 🔗 link | 🗖 nosplit | ↑ parent "Technology"
  - 7.1. Breadboard | 🔗 link | 🗖 nosplit | ↑ parent "Electronics"
- 8. Bicycle | 0, 2, 66 | 🔗 link | 🗖 nosplit | ↑ parent "Technology"
  - 8.1. Shimano | 2, 1, 66 | 🔗 link | 🗖 nosplit | ↑ parent "Bicycle"
    - 8.1.1. Shimano product lines | 64 | 🔗 link | 🗖 nosplit | ↑ parent "Shimano"
- 9. Social technology | 0, 154, 12k | 🔗 link | 🗖 nosplit | ↑ parent "Technology"
  - 9.1. Charitable organization | 0, 3, 42 | 🔗 link | 🗖 nosplit | ↑ parent "Social technology"
    - 9.1.1. Educational charitable organization | 42, 2, 42 | 🔗 link | 🗖 nosplit | ↑ parent "Charitable organization"
      - 9.1.1.1. Open Knowledge Foundation | 🔗 link | 🗖 nosplit | ↑ parent "Educational charitable organization"
      - 9.1.1.2. Simons Foundation | 🔗 link | 🗖 nosplit | ↑ parent "Educational charitable organization"
  - 9.2. Company | 163, 23, 1k | 🔗 link | 🗖 nosplit | ↑ parent "Social technology"
    - 9.2.1. List of companies | 0, 15, 889 | 🔗 link | 🗖 nosplit | ↑ parent "Company"
      - 9.2.1.1. Google | 324 | 🔗 link | 🗖 nosplit | ↑ parent "List of companies"
      - 9.2.1.2. Apple Inc. | 0, 11, 517 | 🔗 link | 🗖 nosplit | ↑ parent "List of companies"
        
        9.2.1.2.1. Think different | 143, 1, 166 | 🔗 link | 🗖 nosplit | ↑ parent "Apple Inc."
        
        9.2.1.2.1.1. Here's to the crazy ones | 23 | 🔗 link | 🗖 nosplit | ↑ parent "Think different"
        
        9.2.1.2.2. iPhone | 🔗 link | 🗖 nosplit | ↑ parent "Apple Inc."
        
        9.2.1.2.3. MacOS | 0, 1, 0 | 🔗 link | 🗖 nosplit | ↑ parent "Apple Inc."
        
        9.2.1.2.3.1. Is the MacOS kernel open source? | 🔗 link | 🗖 nosplit | ↑ parent "MacOS"
        
        9.2.1.2.4. Steve Jobs | 197, 5, 351 | 🔗 link | 🗖 nosplit | ↑ parent "Apple Inc."
        
        9.2.1.2.4.1. Steve Jobs quote on saving lives with a faster boot | 20 | 🔗 link | 🗖 nosplit | ↑ parent "Steve Jobs"
        
        9.2.1.2.4.2. Steve Jobs customers don't know what they want quote | 86 | 🔗 link | 🗖 nosplit | ↑ parent "Steve Jobs"
        
        9.2.1.2.4.3. Steve Wozniak | 0, 1, 35 | 🔗 link | 🗖 nosplit | ↑ parent "Steve Jobs"
        
        9.2.1.2.4.3.1. Steve Wozniak plays magic the gathering | 35 | 🔗 link | 🗖 nosplit | ↑ parent "Steve Wozniak"
        
        9.2.1.2.4.4. Jobs and Wozniak's blue box | 13 | 🔗 link | 🗖 nosplit | ↑ parent "Steve Jobs"
      - 9.2.1.3. Amazon (company) | 🔗 link | 🗖 nosplit | ↑ parent "List of companies"
      - 9.2.1.4. Oracle Corporation | 48 | 🔗 link | 🗖 nosplit | ↑ parent "List of companies"
    - 9.2.2. Business-to-business (B2B) | 🔗 link | 🗖 nosplit | ↑ parent "Company"
    - 9.2.3. Entrepreneur | 0, 2, 23 | 🔗 link | 🗖 nosplit | ↑ parent "Company"
      - 9.2.3.1. Elon Musk | 8 | 🔗 link | 🗖 nosplit | ↑ parent "Entrepreneur"
      - 9.2.3.2. Xavier Niel | 15 | 🔗 link | 🗖 nosplit | ↑ parent "Entrepreneur"
    - 9.2.4. Advertising | 0, 2, 21 | 🔗 link | 🗖 nosplit | ↑ parent "Company"
      - 9.2.4.1. Chumbox | 🔗 link | 🗖 nosplit | ↑ parent "Advertising"
      - 9.2.4.2. Taboola | 21 | 🔗 link | 🗖 nosplit | ↑ parent "Advertising"
  - 9.3. Conference | 0, 1, 10 | 🔗 link | 🗖 nosplit | ↑ parent "Social technology"
    - 9.3.1. TED (conference) | 10 | 🔗 link | 🗖 nosplit | ↑ parent "Conference"
  - 9.4. Education | 21, 42, 3k | 🔗 link | 🗖 nosplit | ↑ parent "Social technology"
    - 9.4.1. Stuff school should actually teach | 15 | 🔗 link | 🗖 nosplit | ↑ parent "Education"
    - 9.4.2. Autodidacticism | 69, 1, 84 | 🔗 link | 🗖 nosplit | ↑ parent "Education"
      - 9.4.2.1. Self-directed learning | 15 | 🔗 link | 🗖 nosplit | ↑ parent "Autodidacticism"
    - 9.4.3. Gifted education | 28 | 🔗 link | 🗖 nosplit | ↑ parent "Education"
    - 9.4.4. Innovative schools | 0, 1, 9 | 🔗 link | 🗖 nosplit | ↑ parent "Education"
      - 9.4.4.1. 42 (school) | 9 | 🔗 link | 🗖 nosplit | ↑ parent "Innovative schools"
    - 9.4.5. Science, technology, engineering, and mathematics (STEM) | 🔗 link | 🗖 nosplit | ↑ parent "Education"
    - 9.4.6. University | 241, 14, 2k | 🔗 link | 🗖 nosplit | ↑ parent "Education"
    - 9.4.7. Academia | 0, 5, 0 | 🔗 link | 🗖 nosplit | ↑ parent "Education"
      - 9.4.7.1. Academic publishing | 0, 2, 0 | 🔗 link | 🗖 nosplit | ↑ parent "Academia"
        
        9.4.7.1.1. Open access academic publishers | 0, 1, 0 | 🔗 link | 🗖 nosplit | ↑ parent "Academic publishing"
        
        9.4.7.1.1.1. eLife | 🔗 link | 🗖 nosplit | ↑ parent "Open access academic publishers"
      - 9.4.7.2. Doctor of Philosophy (PhD) | 0, 1, 0 | 🔗 link | 🗖 nosplit | ↑ parent "Academia"
        
        9.4.7.2.1. All but dissertation (ABD) | 🔗 link | 🗖 nosplit | ↑ parent "Doctor of Philosophy"
    - 9.4.8. Research institute | 0, 7, 9 | 🔗 link | 🗖 nosplit | ↑ parent "Education"
      - 9.4.8.1. Biology research institute | 0, 2, 9 | 🔗 link | 🗖 nosplit | ↑ parent "Research institute"
        
        9.4.8.1.1. Cold Spring Harbor Laboratory | 4 | 🔗 link | 🗖 nosplit | ↑ parent "Biology research institute"
        
        9.4.8.1.2. MRC Laboratory of Molecular Biology | 5 | 🔗 link | 🗖 nosplit | ↑ parent "Biology research institute"
      - 9.4.8.2. Physics research institute | 0, 3, 0 | 🔗 link | 🗖 nosplit | ↑ parent "Research institute"
        
        9.4.8.2.1. Fermilab | 🔗 link | 🗖 nosplit | ↑ parent "Physics research institute"
        
        9.4.8.2.2. Los Alamos National Laboratory | 🔗 link | 🗖 nosplit | ↑ parent "Physics research institute"
        
        9.4.8.2.3. National Institute of Standards and Technology (NIST) | 🔗 link | 🗖 nosplit | ↑ parent "Physics research institute"
    - 9.4.9. Learned society | 0, 4, 79 | 🔗 link | 🗖 nosplit | ↑ parent "Education"
      - 9.4.9.1. Institute of Physics | 0, 1, 10 | 🔗 link | 🗖 nosplit | ↑ parent "Learned society"
        
        9.4.9.1.1. Physics World | 10 | 🔗 link | 🗖 nosplit | ↑ parent "Institute of Physics"
      - 9.4.9.2. Royal Society | 60, 1, 69 | 🔗 link | 🗖 nosplit | ↑ parent "Learned society"
        
        9.4.9.2.1. Post-nominal letters | 9 | 🔗 link | 🗖 nosplit | ↑ parent "Royal Society"
    - 9.4.10. Exam | 121 | 🔗 link | 🗖 nosplit | ↑ parent "Education"
  - 9.5. Government | 0, 2, 8 | 🔗 link | 🗖 nosplit | ↑ parent "Social technology"
    - 9.5.1. Dictatorship | 8 | 🔗 link | 🗖 nosplit | ↑ parent "Government"
    - 9.5.2. Tax | 🔗 link | 🗖 nosplit | ↑ parent "Government"
  - 9.6. Law | 0, 8, 55 | 🔗 link | 🗖 nosplit | ↑ parent "Social technology"
    - 9.6.1. Freedom of speech | 21 | 🔗 link | 🗖 nosplit | ↑ parent "Law"
    - 9.6.2. License | 6, 6, 34 | 🔗 link | 🗖 nosplit | ↑ parent "Law"
      - 9.6.2.1. Freedom of panorama | 🔗 link | 🗖 nosplit | ↑ parent "License"
      - 9.6.2.2. Creative Commons license | 0, 1, 17 | 🔗 link | 🗖 nosplit | ↑ parent "License"
        
        9.6.2.2.1. CC BY-SA | 17 | 🔗 link | 🗖 nosplit | ↑ parent "Creative Commons license"
      - 9.6.2.3. Software license | 0, 2, 11 | 🔗 link | 🗖 nosplit | ↑ parent "License"
        
        9.6.2.3.1. Software license that starts closed and becomes open once a certain amount of money is raised | 10, 1, 11 | 🔗 link | 🗖 nosplit | ↑ parent "Software license"
        
        9.6.2.3.1.1. Sponsorware | 1 | 🔗 link | 🗖 nosplit | ↑ parent "Software license that starts closed and becomes open once a certain amount of money is raised"
  - 9.7. Management | 58 | 🔗 link | 🗖 nosplit | ↑ parent "Social technology"
  - 9.8. Money | 0, 57, 8k | 🔗 link | 🗖 nosplit | ↑ parent "Social technology"
    - 9.8.1. Asset | 🔗 link | 🗖 nosplit | ↑ parent "Money"
    - 9.8.2. Cryptocurrency | 217, 51, 8k | 🔗 link | 🗖 nosplit | ↑ parent "Money"
      - 9.8.2.1. Privacy coin | 8 | 🔗 link | 🗖 nosplit | ↑ parent "Cryptocurrency"
      - 9.8.2.2. List of cryptocurrencies | 0, 42, 8k | 🔗 link | 🗖 nosplit | ↑ parent "Cryptocurrency"
        
        9.8.2.2.1. Bitcoin | 18, 39, 7k | 🔗 link | 🗖 nosplit | ↑ parent "List of cryptocurrencies"
        
        9.8.2.2.1.1. How Bitcoin works | 868 | 🔗 link | 🗖 nosplit | ↑ parent "Bitcoin"
        
        9.8.2.2.1.2. Satoshi Nakamoto | 137 | 🔗 link | 🗖 nosplit | ↑ parent "Bitcoin"
        
        9.8.2.2.1.3. Bitcoin script | 0, 1, 87 | 🔗 link | 🗖 nosplit | ↑ parent "Bitcoin"
        
        9.8.2.2.1.3.1. Bitcoin non-standard transactions | 87 | 🔗 link | 🗖 nosplit | ↑ parent "Bitcoin script"
        
        9.8.2.2.1.4. Invalid Bitcoin script | 86 | 🔗 link | 🗖 nosplit | ↑ parent "Bitcoin"
        
        9.8.2.2.1.5. Bitcoin Core | 8 | 🔗 link | 🗖 nosplit | ↑ parent "Bitcoin"
        
        9.8.2.2.1.6. How to store data in the Bitcoin blockchain | 69 | 🔗 link | 🗖 nosplit | ↑ parent "Bitcoin"
        
        9.8.2.2.1.7. How to extract data from the Bitcoin blockchain | 34, 4, 802 | 🔗 link | 🗖 nosplit | ↑ parent "Bitcoin"
        
        9.8.2.2.1.7.1. Blockchain.info | 68 | 🔗 link | 🗖 nosplit | ↑ parent "How to extract data from the Bitcoin blockchain"
        
        9.8.2.2.1.7.2. BitcoinStrings.com | 150 | 🔗 link | 🗖 nosplit | ↑ parent "How to extract data from the Bitcoin blockchain"
        
        9.8.2.2.1.7.3. Satoshi uploader | 526, 1, 550 | 🔗 link | 🗖 nosplit | ↑ parent "How to extract data from the Bitcoin blockchain"
        
        9.8.2.2.1.7.3.1. Peter Todd's data upload scripts | 24 | 🔗 link | 🗖 nosplit | ↑ parent "Satoshi uploader"
        
        9.8.2.2.1.8. Services based on Bitcoin | 0, 1, 45 | 🔗 link | 🗖 nosplit | ↑ parent "Bitcoin"
        
        9.8.2.2.1.8.1. Satoshi Dice | 45 | 🔗 link | 🗖 nosplit | ↑ parent "Services based on Bitcoin"
        
        9.8.2.2.1.9. Cool data embedded in the Bitcoin blockchain | 714, 22, 5k | 🔗 link | 🗖 nosplit | ↑ parent "Bitcoin"
        
        9.8.2.2.1.9.1. Base58 messages | 162 | 🔗 link | 🗖 nosplit | ↑ parent "Cool data embedded in the Bitcoin blockchain"
        
        9.8.2.2.1.9.2. Prayer wars | 182 | 🔗 link | 🗖 nosplit | ↑ parent "Cool data embedded in the Bitcoin blockchain"
        
        9.8.2.2.1.9.3. Illegal content of block 229k | 191 | 🔗 link | 🗖 nosplit | ↑ parent "Cool data embedded in the Bitcoin blockchain"
        
        9.8.2.2.1.9.4. Images | 447, 5, 2k | 🔗 link | 🗖 nosplit | ↑ parent "Cool data embedded in the Bitcoin blockchain"
        
        9.8.2.2.1.9.4.1. cryptograffiti.info | 150 | 🔗 link | 🗖 nosplit | ↑ parent "Images"
        
        9.8.2.2.1.9.4.2. AtomSea & EMBII | 751, 3, 2k | 🔗 link | 🗖 nosplit | ↑ parent "Images"
        
        9.8.2.2.1.9.4.2.1. AtomSea & EMBII data format | 72 | 🔗 link | 🗖 nosplit | ↑ parent "AtomSea & EMBII"
        
        9.8.2.2.1.9.4.2.2. Nelson-Mandela.jpg | 610 | 🔗 link | 🗖 nosplit | ↑ parent "AtomSea & EMBII"
        
        9.8.2.2.1.9.4.2.3. ILoveYouMore.jpg | 100 | 🔗 link | 🗖 nosplit | ↑ parent "AtomSea & EMBII"
        
        9.8.2.2.1.9.5. ASCII art | 612, 3, 1k | 🔗 link | 🗖 nosplit | ↑ parent "Cool data embedded in the Bitcoin blockchain"
        
        9.8.2.2.1.9.5.1. Len Sassaman tribute | 206 | 🔗 link | 🗖 nosplit | ↑ parent "ASCII art"
        
        9.8.2.2.1.9.5.2. Marijuana plant | 168 | 🔗 link | 🗖 nosplit | ↑ parent "ASCII art"
        
        9.8.2.2.1.9.5.3. Force of Will | 254 | 🔗 link | 🗖 nosplit | ↑ parent "ASCII art"
        
        9.8.2.2.1.9.6. j( system | 54 | 🔗 link | 🗖 nosplit | ↑ parent "Cool data embedded in the Bitcoin blockchain"
        
        9.8.2.2.1.9.7. Protests against larger block sizes | 110 | 🔗 link | 🗖 nosplit | ↑ parent "Cool data embedded in the Bitcoin blockchain"
        
        9.8.2.2.1.9.8. 503: Bitcoin over capacity | 21 | 🔗 link | 🗖 nosplit | ↑ parent "Cool data embedded in the Bitcoin blockchain"
        
        9.8.2.2.1.9.9. The largest transactions in the Bitcoin Blockchain | 109 | 🔗 link | 🗖 nosplit | ↑ parent "Cool data embedded in the Bitcoin blockchain"
        
        9.8.2.2.1.9.10. Miner signatures | 0, 1, 22 | 🔗 link | 🗖 nosplit | ↑ parent "Cool data embedded in the Bitcoin blockchain"
        
        9.8.2.2.1.9.10.1. HHTT | 22 | 🔗 link | 🗖 nosplit | ↑ parent "Miner signatures"
        
        9.8.2.2.1.9.11. Bibliography | 0, 2, 55 | 🔗 link | 🗖 nosplit | ↑ parent "Cool data embedded in the Bitcoin blockchain"
        
        9.8.2.2.1.9.11.1. Hidden surprises in the Bitcoin blockchain by Ken Shirriff (2014) | 1 | 🔗 link | 🗖 nosplit | ↑ parent "Bibliography"
        
        9.8.2.2.1.9.11.2. A Quantitative Analysis of the Impact of Arbitrary Blockchain Content on Bitcoin by Matzutt et al. (2018) | 54 | 🔗 link | 🗖 nosplit | ↑ parent "Bibliography"
        
        9.8.2.2.1.10. Genesis block | 8, 1, 217 | 🔗 link | 🗖 nosplit | ↑ parent "Bitcoin"
        
        9.8.2.2.1.10.1. Genesis block message | 209 | 🔗 link | 🗖 nosplit | ↑ parent "Genesis block"
        
        9.8.2.2.2. Monero | 259, 1, 400 | 🔗 link | 🗖 nosplit | ↑ parent "List of cryptocurrencies"
        
        9.8.2.2.2.1. How to mine Monero | 141 | 🔗 link | 🗖 nosplit | ↑ parent "Monero"
      - 9.8.2.3. Cryptocurrency exchange | 0, 5, 1 | 🔗 link | 🗖 nosplit | ↑ parent "Cryptocurrency"
        
        9.8.2.3.1. Off-chain transaction | 1 | 🔗 link | 🗖 nosplit | ↑ parent "Cryptocurrency exchange"
        
        9.8.2.3.2. List of cryptocurrency exchanges | 0, 3, 0 | 🔗 link | 🗖 nosplit | ↑ parent "Cryptocurrency exchange"
        
        9.8.2.3.2.1. Binance | 🔗 link | 🗖 nosplit | ↑ parent "List of cryptocurrency exchanges"
        
        9.8.2.3.2.2. Coinbase | 🔗 link | 🗖 nosplit | ↑ parent "List of cryptocurrency exchanges"
        
        9.8.2.3.2.3. Mt. Gox | 🔗 link | 🗖 nosplit | ↑ parent "List of cryptocurrency exchanges"
      - 9.8.2.4. Cryptocurrency tumbler | 🔗 link | 🗖 nosplit | ↑ parent "Cryptocurrency"
    - 9.8.3. Fiat currency | 72, 1, 72 | 🔗 link | 🗖 nosplit | ↑ parent "Money"
      - 9.8.3.1. Dollar ($) | 🔗 link | 🗖 nosplit | ↑ parent "Fiat currency"
    - 9.8.4. Payment system | 🔗 link | 🗖 nosplit | ↑ parent "Money"
    - 9.8.5. PayPal | 11 | 🔗 link | 🗖 nosplit | ↑ parent "Money"
  - 9.9. Prize | 0, 8, 451 | 🔗 link | 🗖 nosplit | ↑ parent "Social technology"
    - 9.9.1. Nobel Prize | 20 | 🔗 link | 🗖 nosplit | ↑ parent "Prize"
    - 9.9.2. Fields Medal | 15 | 🔗 link | 🗖 nosplit | ↑ parent "Prize"
    - 9.9.3. Turing Award | 48 | 🔗 link | 🗖 nosplit | ↑ parent "Prize"
    - 9.9.4. Knowledge olympiads | 239, 4, 368 | 🔗 link | 🗖 nosplit | ↑ parent "Prize"
      - 9.9.4.1. Competitive programming | 16, 2, 17 | 🔗 link | 🗖 nosplit | ↑ parent "Knowledge olympiads"
        
        9.9.4.1.1. Competitive website | 0, 1, 1 | 🔗 link | 🗖 nosplit | ↑ parent "Competitive programming"
        
        9.9.4.1.1.1. LeetCode | 1 | 🔗 link | 🗖 nosplit | ↑ parent "Competitive website"
      - 9.9.4.2. Grinding for software interviews | 112 | 🔗 link | 🗖 nosplit | ↑ parent "Knowledge olympiads"
  - 9.10. Weekend | 54 | 🔗 link | 🗖 nosplit | ↑ parent "Social technology"
- 10. Telecommunication | 🔗 link | 🗖 nosplit | ↑ parent "Technology"

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