Watch as we build a fully functional Monjolo power hammer, an ancient water-powered tool once used for grinding grain and forging metal—no electricity, just physics and flowing water. Using ...

The Mulwark 17-Piece Folding Allen Wrench Set is the newest tool you should be adding to your kit. Right now, Amazon is ...

The outer plastic shell of a Swiss Army Knife, called its scale, is actually user replaceable, and thankfully it's not ...