If you buy something using links in our stories, we may earn a commission. This helps support our journalism. Learn more. Please also consider subscribing to WIRED Winter's coming, and bikes need ...

At the risk of trading in national stereotypes, pretty much all you need to know about the efficiency of the Magtenlight is that it comes from Germany, the most efficient country in the world (except ...

"Bicycle, cycle, bike, lights, bike, dynamo, generator, batteryless, safety light, magnet, flash, flashing, no, battery, batteries, no friction, no drag, no ...

A new type of bike light is currently on Kickstarter that is looking to make the jump from concept to production. However this bike light requires no batteries of any kind. Instead it is powered by a ...

Discover the surprising way a magnet and coil can power an LED! In this video, we explore the fascinating physics of electromagnetic induction, showing how moving a magnet through a coil of wire can ...

Working in the dark is never a bright idea.

The Takeaway: Maglite’s Mag-Tac LED Rechargeable and Mag-Tac LED CR123 tactical flashlights share some features, including impact- and water-resistance, body diameter, and grip, as well as a ten-year ...