Every true tech geek worth his or her weight in solder and flux has been foaming at the mouth over a new infomercial on TV. It’s for a device called Cold Heat: a soldering iron that reportedly stays ...

Curling irons, hand warmers, coffee mugs and other consumer products that rely on heat to do their jobs are about to get a makeover thanks to an innovative technology from a tiny Bellevue company.

Despite the fact that I am the world’s worst solderer, the smooth lines and features of this Cold Heat Soldering Tool still call to me. The AA battery-powered iron heats to 800° within a second, then ...