Discover how to build a simple wireless power transfer system at home using readily available components like enameled copper ...

Discover how to build a simple device that converts light into electricity using LEDs and diodes. This step-by-step guide ...

We did the research and math to find out just how much cash LEDs net you each year, and it may be more than you think.

If you work on simple digital projects, just about any bench supply will offer the voltage and current you’re looking for.

Ajay has worked in tech journalism for over a decade as a reporter, analyst, product reviewer, and editor. He got his start in consumer tech, breaking Android news at Newsweek before going to PCMag, ...

Want more charts like these? See our charts on the secrets of the jobless recovery, the richest 1 percent of Americans, and how the superwealthy beat the IRS. How Rich Are the Superrich? A huge share ...