Describing the movement of objects in 3D space requires an understanding of mathematics. ' Moving Objects in 3D Space ' is a website that uses animated slides to explain how to mathematically ...

Three types of looming-selective neurons have been found in the nucleus rotundus of pigeons, each computing a different optical variable related to image expansion of objects approaching on a direct ...

A wire moving at constant speed through superfluid helium can considerably exceed the Landau critical velocity. So, why is there no critical velocity for a wire moving at constant velocity? The ...