Useful gadgets for outdoors

Cold hands are simply annoying. Apart from the fact that they feel uncomfortable, they can prevent you from using your smartphone properly. And we ...

A hollow copper cylinder and a small neodymium sphere - that's all you need to play a fascinating trick on gravity and turn magnetodynamics into a ...

Over the centuries, man has explored almost every square meter of the earth in one way or another. Apart from the deep sea, the only thing we can s...