CNET on MSN10d
Stay Warm With My Favorite Rechargeable Hand Warmers for Only $20
A $10 discount for MLK Day at Amazon makes these hand warmers a bargain. If you're braving the cold this January, you're ...
Hackaday2y
Throwback: USB Hotplate Used 30 Whole Ports
but some companies produced USB cup warmers anyway which were a bit of a joke. However, one enterprising hacker took things further back in 2004, whipping up a potent USB hot plate powered by a ...