Odds are that your devices are wasting more energy and costing you more money than you're aware. A simple tool called a Kill a Watt meter can help find the offenders in your outlets. Eric Mack has ...

With a pedal generator, you can turn human effort into usable energy—ideal for off-grid setups, emergency backups, or just a fun DIY project. This guide gives you a fast-track look at how pedal ...

The tiny device generates electricity from the air in a way that resembles how clouds make the electricity we see in lightning bolts. Veysel Altun / Anadolu Agency via Getty Images With a new ...