The direct product of two cyclic groups of coprime order is another cyclic group Updated 2025-04-24 +Created 1970-01-01
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You just map the value (1, 1) to the value 1 of , and it works out. E.g. for , the group generated by of (1, 1) is:
0 = (0, 0)
1 = (1, 1)
2 = (0, 2)
3 = (1, 0)
4 = (0, 1)
5 = (1, 2)
6 = (0, 0) = 0
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Two-dimensional electron gas Updated 2025-04-24 +Created 1970-01-01
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Afghanistan Updated 2025-04-24 +Created 1970-01-01
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X Æ A-12 Updated 2025-04-24 +Created 1970-01-01
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Agarose gel electrophoresis Updated 2025-04-24 +Created 1970-01-01
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Cofactor (biochemistry) Updated 2025-04-24 +Created 1970-01-01
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Zephyr (operating system) Updated 2025-04-24 +Created 1970-01-01
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Zephyr is cool. Its installation setup is annoying. But the project is cool.
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Enzyme inhibitor Updated 2025-04-24 +Created 1970-01-01
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Justine Musk Updated 2025-04-24 +Created 1970-01-01
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Norm induced by the complex dot product Updated 2025-04-24 +Created 1970-01-01
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Given:
(1)
the norm ends up being:
(2)
E.g. in :
(3)
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Nota bene Updated 2025-04-24 +Created 1970-01-01
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Nuclear blues Updated 2025-04-24 +Created 1970-01-01
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Term invented by Ciro Santilli, it refers to Richard Feynman, after helping to build the atomic bomb:
And I would go along and I would see people building a bridge, or they'd be making a new road, and I thought, they're crazy, they just don't understand, they don't understand. Why are they making new things? It's so useless.
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Protease Updated 2025-04-24 +Created 1970-01-01
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Public-key cryptosystem Updated 2025-04-24 +Created 1970-01-01
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Aggressively filter your social media follows Updated 2025-04-24 +Created 1970-01-01
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Ciro Santilli very aggressively aggressively people in social media.
There are basically 3 categories:
  • are you Ciro's parents or children or brothers: OK, keep following, unless you are truly truly very noise.
  • does Ciro really really like or respect you? OK, he can take some useless (i.e. non-technical/scientific) posts
  • otherwise: one bad post and unfollow
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E. Coli starts DNA replication before the previous one finished Updated 2025-04-24 +Created 1970-01-01
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E. Coli whole cell simulation Updated 2025-04-24 +Created 1970-01-01
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Wheeler-Feynman absorber theory Updated 2025-04-24 +Created 1970-01-01
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What they presented on richard Feynman's first seminar in 1941. Does not include quantum mechanics it seems.
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Ethnic minorities in China Updated 2025-04-24 +Created 1970-01-01
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As of 2020 (TODO starting when) the Chinese government officially recognizes 55 minorities.
These minorities actually had different legal statuses, e.g. they were exempt from the One Child Policy.
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Exif tag Updated 2025-04-24 +Created 1970-01-01
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