Skipping Stones, Bombs, and Spacecraft

The physics of skipping stones across water has been studied by many. One engineer in particular wrote a book on the subject: The Secrets of Stone Skipping. For nearly three decades, Jerdone Coleman studied stone skipping in a huge variety of conditions, even working with MIT’s Strobe Project Lab to photograph the stones in motion.

Lost in Time: Flexible Glass

In the same year [21 AD], a certain artist discovered how to temper glass, making it flexible and ductile. And when he had been brought before Tiberius Caesar, he offered him a small bottle; at which the emperor was indignant, and threw it down on floor. But the artist picked the bottle up from the floor, which had become bent like a vessel […]