about . Ned Batchelder's blog keeps fascinating me. He seems to be a man of many talents.

> Today’s math factoid of the day: there are 59 icosahedra.


about "Megadiverse countries".


I am not sure how comparable these countries are in ethnic- and bio-diversity.

A forgotten(?) scientist 

the inventor of the Discrete Cosine Transform () Prof. Emeritus Nasir Ahmed hails from .


For a contribution of this magnitude, used in compression like JPEG and MPEG and in computational sciences like CFD even today, I don't see any awards or accolades.

how Fourier transforms and methods are intimately related to . What was missing from the picture is how a tool for numerical integration could be used for numerical differentiation.

If you think about it, Fourier transforms are also expressed as integration over an interval in space. When you differentiate a function it only affects the basis. For example:

exp(ikx) -> ik * exp(ikx)




> Sugar is the desktop environment component of a worldwide effort to provide every child with an equal opportunity for a quality education. Available in more than twenty-five languages, Sugar Activities are used every school day by children in more than forty countries.

about Aristotle's wheel paradox. Simple and mind-boggling at the same time.

: watchnebula.com/videos/up-and-

YT/Invidious: invidious.snopyta.org/watch?v=

is also a decent creator, deserves more attention. She covers topics in in general.

while listening to a class for K-2 kids that monkeys are different from lemurs (prosimians) and apes (gorillas, chimpanzees).

most academic have a / feed buried somewhere. Some even let you make a custom feed from a search result (for eg. Springer).

Find them, add it to your feed reader, stay up to date.


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