All this espionage is an open secret, of course ... all you need is a pair of tape measures and a software defined radio (SDR), as [Tom Farnell] demonstrates. Tape measure antennas have a long ...

If you're looking to speed up your projects, you can use these clever tricks to make carpentry measuring faster and better.

More details here. After dropping, extending, and scrubbing the blades of over 20 different tape measures with 60-grit sandpaper, we found that the best one is the classic 25-foot Stanley ...