Even though we’re long past the invention of the car and the first appearance of traffic regulations, it’s interesting to know how it all began. To think that some 100-150 years ago, people considered ...

Every time we stop at a red light, wait patiently for green, or slow down on yellow, we’re participating in a system that quietly keeps billions of people safe. But have you ever wondered who invented ...

Thomas Edison at the lightbulb’s golden jubilee anniversary. The story of humans trying to use light and heat to their benefit goes back to prehistoric times. The earliest use of fire for these ...