| Galileo's thermometer contains glass vessels whose buoyancy depends on the temperature. When it varies slowly, they may stick together or to...
Zener131 (3)
| Galileo's thermometer is a pretty vintage object, and it is often lazy, then wrong. Here is an innovative idea to help it being more accurat...
| The lamp lava requires light and heat, it is condemned by the disgrace of incandescent bulbs. How to save this must-have geekery?