Explore how a basic LED can be used as a tiny solar cell, generating measurable voltage under sunlight. This hands-on ...

The best electric bikes at any price level? We've tested them all, and here are the best e-bikes for any budget and every ...

Tommy Liu builds a vehicle-mounted particulate matter monitoring system powered from harvested wind energy and an integrated ...

When energy researchers talk about the future of the grid, they often focus on individual pieces: solar panels, batteries, ...

Thermoelectric generation is a technology in which electricity is generated directly from waste heat discharged by automobile engines and factory furnaces, enabling effective utilization of this large ...

Discover how to make a DIY hand-powered mobile phone charger using simple materials such as two small DC motors and a piece ...