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Alon Amit's answer to Could we 'invent' a number [math]h[/math] such that [math]h[/math][math]={{1}\over{0}}[/math], similarly to the way we 'invented' [math]i=\sqrt{-1}[/math]? What would be the effect on modern math if we did so? - Quora
You may not be aware of this, but mathematicians are very imaginative and creative people. They love defining new things, they love analogies, they love challenging accepted assumptions and they love completeness and symmetry.
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NowThis on Twitter
“A Trump official tried to argue that detained children don’t need soap, toothbrushes, or beds to be ‘safe and sanitary’ while in Border Patrol custody https://t.co/sRFPZsDbwy”
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Ten-year-old conquers infamous rock wall El Capitan — BBC News
Selah Schneiter has climbed a rock wall that is beyond some of the most experienced climbers.
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Liu Cixin’s War of the Worlds
A leading sci-fi writer takes stock of China’s global rise.
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