In this video, I demonstrate how to build a homemade shredder machine. After searching unsuccessfully for a shredder in my country and local scrap yards, I decided to take on the challenge of ...

Discover how to build a fully functional drum set at home using cardboard, aluminum foil, and some basic electronics. In this ...

Create a focused speaker so your music targets only the listener. That demodulates at 40 kilohertz, with an H-bridge and ...

Although jet engines are theoretically quite simple devices, in reality they tread a fine line between working as intended ...

Any person with disabilities who needs help accessing the content of the FCC Public File may contact KOB via our online form or call 505-243-4411. This website is not intended for users located within ...

On Oxford Street in Cambridge, Mass. lives a sibyl, a priestess of science. Her devotees take their problems to her as devout ancient Greeks took their insolubles to Delphi. She is no mumbling, ...

With a bunch of new Valve hardware on the way, the highlight of what's to come is undoubtedly the Steam Machine, with Valve taking a crack at making a PC-console hybrid that isn't bad. We'll take you ...

Skip the gym and work out in the comfort and privacy of home. From bikes to rowing machines to strength training equipment, we've tested the most popular smart home gym equipment to help you narrow ...