A tape measure comes with several markings that some may not know, like the black diamonds. Here's what those symbols mean ...

And it can quickly add up to some costly design mistakes, especially when you're cutting pieces of wood or metal. The measuring tape just never seems to bend in the right direction, causing a ...

If you've ever wondered what the black diamonds on a tape measure are for then you're not alone - and people have taken to ...

The common thread is the use of tape measures for the elements of the aptly named turnstile antenna, a tried and true material for lightweight, foldable antennas that amateur radio enthusiasts ...