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 ...

In this informative video, discover how to make a magnet generator to light bulbs efficiently. We guide you through each step, from gathering materials to the final connection, ensuring you can create ...

For over a decade, Danish manufacturer Reelight has been making bicycle lights that are powered by magnets mounted on the bike's spokes. That means no batteries are necessary, so the lights can be ...