Next time you're nailing, do it in style with this sturdy but stylish hammer holder. To make one, use a hacksaw or band saw to cut away one side of a 6-in.-long piece of 2" PVC pipe, leaving 2 in. at ...

Measuring voltages is fairly straightforward most of the time. Simply grab any old cheap multimeter, hook up the probes, and read off the answer. If, however, you need to measure very tiny voltages, ...