In the 1920's, the German mathematician David Hilbert devised a famous thought experiment to sh…
Today, artificial intelligence helps doctors diagnose patients, pilots fly commercial aircraft, and…
In 1948, Spanish ophthalmologist Jose Ignacio Barraquer Moner was fed up with glasses. He wanted a …
How fast are you moving right now? That seems like an easy question. The first tempting answer is, …
"Someone must have been telling lies about Josef K. He knew he had done nothing wrong, but one…
On the edge of the vast Sahara desert, citizens snuck out of the city of Timbuktu and took to the w…
" I'd put my money on the sun and solar energy. What a source of power! I hope we don't…
Hey y'all, Merry Christmas. Today we are going to be talking about the past. But not like histo…