BBC Bitesize takes a look at some of the classical and modern paradoxes that have blown our minds across the centuries. First argued by the 5th Century BC Greek philosopher Zeno, the Achilles ...

This is called the arrow paradox, and it's another of Zeno's arguments against motion. The issue here is that, in a single instant of time, zero seconds pass, and so zero motion happens.

The Greek philosopher [Zeno of Elea] proposed that an arrow in flight was in fact not in motion and its visible movement is only an illusion. A simple example of this is to glance at an arrow in ...