How Hand Warmers Work (THERMAL IMAGING) - Periodic Table of Videos Periodic Videos
Kind of a cool video, and kind of a weird phenomena: having to have a perfectly clean container and solution. I'm still not sure what the click does to start the state transformation process, but I like the thermal images.
|FLIR DM284 Imaging Multimeter with IGM|
|GHD Hair Straightener Iron|
There is a whole subculture out there involved in the repair of GHD hair irons. Unfortunately, mine seems to suffering from some kind of electronic ailment and there are no replacement circuit boards available.