When you want to move an object from one place to another, you usually grab it with your hands or a robotic arm. But what if you want to move something you cannot touch without damaging or disrupting ...

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 ...

In a recent study, we tested a practical fix: two “magnetic cleaning powders” that can attach onto microplastics in water; ...