Acid rain sucks, particularly if you run a fancy university with lots of lovely statues outside. If you’d like to try and ...

I tested a tiny plug-in that claims to prevent electrical fires - can something so simple really bring peace of mind?

An earlier design introduced a touch solid-state AC switch. The new version advances this concept with a sophisticated human ...

Want to know if somebody is lying? It’s always so hard to tell. [dbmaking] has whipped up a fun little polygraph, otherwise known as a lie detector. It’s nowhere near as complex as the ...