Some of the hacks we see make us wonder why they aren’t already a commercial product, and this electric toothbrush turned rechargeable flashlight is...
Scanning electron microscopes are one of those niche instruments that most of us don’t really need all the time, but would still love to have access to once in a …read more
Almost every meter you find today will have a continuity tester. Connect the probes and it will beep if there is a short and won’t if there isn’t. But where …read more
