Yes, the image above is exactly what it looks like: a wrist-worn personal Peltier cooler that, by virtue of being dozens of times more effective than air conditioning at making you feel comfortably ...

[Daniel Salião Ferreira] may or may not be a Game of Thrones fan, but he does have a fun demo of the Seebeck effect in the form of a flashlight powered by fire and ice. The basic idea is to use a ...