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 ...

The uncertainty principle states that we cannot know the state of a system with arbitrary precision. Now the uncertainty relation between angular momentum and position has been measured in an ...

Ask any engineer what the velocity of a point on a rigid body is, and they will correctly say that it's the time rate of change of a linear position vector. Ask any engineer what angular velocity is, ...