Discover how to build a DIY vibrating robot spider using basic materials such as copper wire, metal strips, a button cell ...

Discover three innovative DIY hacks in this video! Learn how to make a compact LED flashlight using a pen and coin cell ...

If you were not aware, LEDs can also work in reverse: they deliver tiny amounts of current, in the microamp range, when illuminated. If you look on YouTube you can find several videos of solar panels ...