Our ancestors slept differently. If you went back to the time before the Industrial Revolution, you would find them turn in around 9 or 10 pm and then sleep for about three and a half... Read More
This Week's Podcast
In 1916, chemist Jan Czochralski mistakenly dipped his fountain pen into molten tin, which resulted in a thread of metal on the end. Using the same force that moves soda up a straw, called capillary... Read More
Deep in your watch is a small piece of quartz. What is it doing there? Well, it is keeping time. Quartz has a little secret. It wiggles when zapped by electricity. This strange phenomenon is... Read More