Saturday, 13 June 2020
The Four Horsemen Of America’s Apocalypse
It takes a lot to build a civilization, and though it is much easier to destroy a civilization, it takes a lot to do that, too.
Thursday, 11 June 2020
Wednesday, 10 June 2020
Monday, 8 June 2020
How Many People Did it Take to Build the Great Pyramid?
Not nearly as many as old estimates would have you believe. Here is a back-of-the-envelope calculation, based on simple physics.
Sunday, 7 June 2020
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