[Carl] is always looking at making heater plates for PCB reflow and other applications. In his latest video, he shows how he is using thin flexible PCBs with adhesive backs as stickers that get hot.

An upside-down flower pot and rolls of tape on a wood table - Lindsay Donaldson/House Digest Smart is the store employee who places price tags on the undersides of merchandise. These stickers can be a ...

In crop fields, on construction scaffolding, beside drive-through lanes, working conditions are getting hotter, igniting a small but fast-growing industry to cool workers down. There are vests packed ...