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January 26, 2021 Archives
Tuesday, January 26, 2021
TRACKING WITH CLOSEUPS: How Many Ways Can You Make Change for a Googol Dollars?
This problem is presented in Concrete Mathematics by Graham, Knuth, and Patashnik.
Posted at
14:36
CONTEXT: Was ʻOumuamua an Artefact of an Intelligent Extraterrestrial Civilisation?
Was interstellar object 1I/ʻOumuamua an artefact of an intelligent extraterrestrial civilisation? “Extraterrestrial” by Avi Loeb (chairman of Harvard Astronomy dept.), published today, makes the case it was. https://t.co/RppyAXofl8
— John Walker (@Fourmilab) January 26, 2021
Posted at
13:43