Polymer Updated 2025-07-16
Vacuum engineering Updated 2025-07-16
Video 1.
Air-tight vs. Vacuum-tight by AlphaPhoenix (2020)
Source. Shows how to debug a leak in an ultra-high vacuum system. Like every other area of engineering, you basically bisect the machine! :-) By Brian Haidet, a PhD at University of California, Santa Barbara.
LLM game Updated 2025-07-16
Tree representation Updated 2025-07-16
This section is about ways in which you can represent a tree.
Trees are a specific type of graph, so any graph representation also provides a way to represent a tree.
Therefore this section will focus only on methods specific to tress, and which cannot be used for graphs in general.
Universal Turing machine Updated 2025-07-16
A Turing machine that simulates another Turing machine/input pair that has been encoded as a string.
In other words: an emulator!
The concept is fundamental to state several key results in computer science, notably the halting problem.
Wall Street Updated 2025-07-16
Mutation Updated 2025-07-16
Ravi Shankar Updated 2025-07-16
Erhu player Updated 2025-07-16
Song Fei (erhu) Updated 2025-07-16
Video 1.
Suwu herding sheep played by Song Fei (2017)
Source.

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