Buh-bye, unsightly debris! Tackle piles of sticks, branches and logs with the best wood chipper for the job Finding the best wood chipper is probably on your radar if you tire of dragging, bundling ...

Discover how to build a simple electromagnetic motor and generator using everyday materials in this hands-on science experiment. Follow the detailed steps to assemble a motor with a plastic bottle cap ...

A continuity tester that indicates the resistance of, say, PCB traces with musically-related tones, whose pitch changes with ...

Sonic Fire Tech, co-founded by aerospace engineer Geoff Bruder, has developed a system that uses infrasound – low-frequency sound waves below the threshold of human hearing ...

Macy is a writer on the AI Team. She covers how AI is changing daily life and how to make the most of it. This includes writing about consumer AI products and their real-world impact, from ...

The theory behind hydropower is very simple: water obeys gravity and imparts the gained kinetic energy onto a turbine, which subsequently drives a generator.  The devil here is, of course, in all ...

If you have multiple microphones in known locations, and can determine the time a sound arrives at each one, you can actually determine the location that sound is coming from. This technique is ...

TV and home video editor Ty Pendlebury joined CNET Australia in 2006, and moved to New York City to be a part of CNET in 2011. He tests, reviews and writes about the latest TVs and audio equipment.