Câu chuyện tinh yêu,kinh nghiệm tình yêu,những bản nhạc tình yêu,khám phá khoa học
C Stuart Hardwick, Award-Winning Scifi Author, Analog regular • Updated September 1
Yes. By now, if you are not still hunkered down at home 24x7, you have certainly encountered the virus. Why we haven't all been infected is that infection is a race—a race ...
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Alon Amit, Math puzzle enthusiast. • Answered February 19, 2013
Here's one problem I was initially quite sure must be wrong or misstated.
Infinitely many people are about to play this game: they will each get a black or a white hat, and...
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Jason Taylor, Scientist at Technology Advancement Labs LLC (2003-present) • Updated June 16
Wow. Another brilliant question at Quora that was a lot smarter than I thought. A little research shows this map, which speaks for itself:
(Obviously, there are other possib...
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Ron Brown, Professor of Physics, Emeritus • Answered July 5
I've always learned a lot from my students.
One comment I received long ago - not on an end of course evaluation, but rather immediately after a particular lecture - changed...
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Mark Mehling, Marketing strategist, author, problem solver for 40+ Years. • Updated January 12
Would a $50 MILLION blunder count?
BDCs (Big Dumb Companies) get bored and launch into 'stupid pet tricks' that cost them a lot. "Rebranding" is one of those. They bring in ...
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