Homemade compass. For this trick you need needle, piece of cork, magnet, plate and some water. You need to magnetize a needle and put it on the cork which floating in the plate with water. The needle ...

Want to find hidden metal objects with ease? This simple magnet trick is a game-changer! With just a few basic materials, you ...

Libor Šmejkal has a fondness for the artwork of M. C. Escher, whose work was often inspired by mathematics. One of Šmejkal’s favourite pieces is Horseman, a striking picture that features an elaborate ...