Nguyễn Đình ThuyênAn open notebook
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Learning paths

A little direction, a lot to discover.

Six short routes through the library. Read in order, try a small exercise and explain the idea to someone else.

01 / Foundations

At sea

Signals, vessels and the systems that connect them.

Understood: 0 / 6
  1. When a ship needs help2 min ↗
  2. A name beside a moving dot2 min ↗
  3. A memory for the voyage2 min ↗
  4. Clarity before eloquence2 min ↗
  5. Two networks, different consequences2 min ↗
  6. Why orbit matters at sea2 min ↗
02 / Foundations

Networks

Follow a packet. Understand the whole connection.

Understood: 0 / 6
  1. Follow one packet2 min ↗
  2. Names need directions2 min ↗
  3. Where does this address belong?2 min ↗
  4. An address on loan2 min ↗
  5. Reliable delivery or timely arrival?2 min ↗
  6. Fast is more than a speed test2 min ↗
03 / Foundations

Security & recovery

Protect access. Keep a way back.

Understood: 0 / 18
  1. Keep a way back2 min ↗
  2. One secret should not open every door2 min ↗
  3. More than a password2 min ↗
  4. Pause before urgency wins2 min ↗
  5. A backup earns its name when it restores2 min ↗
  6. Start with what matters2 min ↗
  7. Three questions for a safer system3 min ↗
  8. Know what depends on what3 min ↗
  9. Separate networks, control the crossings3 min ↗
  10. A small USB can cross a large boundary3 min ↗
  11. A maintenance window should close3 min ↗
  12. An update is a controlled change3 min ↗
  13. The first report can preserve the next choice3 min ↗
  14. Keep a clean route to recovery3 min ↗
  15. Two screens may share one wrong position3 min ↗
  16. Cyber risk belongs in daily ship management3 min ↗
  17. The ship and the equipment: E26 / E273 min ↗
  18. 42% is a survey result, not your attack probability3 min ↗
04 / Foundations

Marine electrical

From a simple circuit to power on board.

Understood: 0 / 8
  1. Voltage, current, resistance2 min ↗
  2. A direction, or a rhythm2 min ↗
  3. Watts are not watt-hours2 min ↗
  4. Two numbers on the same load2 min ↗
  5. Isolate the fault, preserve the rest2 min ↗
  6. An early warning in the insulation2 min ↗
  7. A dark screen is not proof of isolation2 min ↗
  8. Read the route of power2 min ↗
05 / Foundations

AI & learning

Ask better questions. Make knowledge your own.

Understood: 0 / 6
  1. Ask for a guide, then do the thinking2 min ↗
  2. A fluent answer still needs evidence2 min ↗
  3. Make something to understand something2 min ↗
  4. Design the question before the app2 min ↗
  5. Close the page. Recall the idea.2 min ↗
  6. Use the summary as a doorway2 min ↗
06 / Foundations

Beyond the horizon

Light, time and the questions beyond our sky.

Understood: 0 / 8
  1. Looking far is looking back2 min ↗
  2. A universe with a history2 min ↗
  3. An ancient glow, everywhere2 min ↗
  4. A star is a balance2 min ↗
  5. A boundary light cannot cross outward2 min ↗
  6. The Moon changes its appearance2 min ↗
  7. Read the light2 min ↗
  8. What we infer from what we can see2 min ↗