Web archiving Updated 2025-07-16
The remedy to cowardice, inattention, censorship and amorality.
Due to Ciro Santilli's campaign for freedom of speech in China, Ciro Santilli maintains information on this at mostly at:
Dan Dascalescu's "Web page archiving" comparison table: web.archive.org/web/20130922192354/http://wiki.dandascalescu.com/reviews/online_services/web_page_archiving
96 well microplate Updated 2025-07-16
Biologists are obsessed with these!
Abraham Updated 2025-07-16
Academic journal Updated 2025-07-16
Desktop environment Updated 2025-07-16
E. Coli K-12 MG1655 transcription unit thrL Updated 2025-07-16
Nuclear weapon delivery Updated 2025-07-16
Knock knock.
Dihedral group Updated 2025-07-16
Our notation: , called "dihedral group of degree n", means the dihedral group of the regular polygon with sides, and therefore has order (all rotations + flips), called the "dihedral group of order 2n".
Direct product Updated 2025-07-16
Evolution Updated 2025-07-16
Hilary term Updated 2025-07-16
Like the U.S.' spring term.
Level of organization of bodies Updated 2025-07-16
Just like computers, biological systems can be seen as being composed of several different layers of complexity.
Oil drop experiment Updated 2025-07-16
Clear experiment diagram which explains that the droplet mass determined with Stoke's law:
American Scientific, LLC sells a ready made educational kit for this: www.youtube.com/watch?v=EV3BtoMGA9c
Here's some actual footage of a droplet on a well described more one-off setup:Video 2. Source. From Lancaster University
This American video likely from the 60's shows it with amazing contrast: www.youtube.com/watch?v=_UDT2FcyeA4
Micro Bit Updated 2025-07-27
Bluetooth support: not enough RAM for it, though in principle its chip/transceiver could support it! microbit-micropython.readthedocs.io/en/v1.0.1/ble.html
Supported editors: microbit.org/code/
Bibliography:
NES game Updated 2025-07-16
Nintendo 64 emulators Updated 2025-07-16
NMR vendor Updated 2025-07-16
Norm induced by an inner product Updated 2025-07-16
Nuclear weapon detonation Updated 2025-07-16
Simple group Updated 2025-07-16
Does not have any non-trivial normal subgroup.
And therefore, going back to our intuition that due to the fundamental theorem on homomorphisms there is one normal group per homomorphism, a simple group is one that has no non-trivial homomorphisms.
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