The surprising science story behind the thermos: How a cryogenics experiment created the bottle that keeps drinks hot and cold |
Image: Left/Canva/Right/Wikipedia For most people, a thermos is a simple object used to keep tea hot or water cold. Yet its origins lie not in kitchens, camping trips or school lunches, but in one of the most demanding scientific pursuits of the nineteenth century: the study of extremely low temperatures. In 1892, Scottish chemist and…