At the end of the 18th century, the British scientist Henry Cavendish measured the force of gravity between two objects for the first time in a laboratory. The objects in question were lead balls, one ...

You know what happens when I get a new toy? Physics happens. I can't stop myself, it's just the way I am. In this case, the toy is a DJI Spark drone (it was a birthday present). I've always wanted a ...