Posted March 02, 2016
low rated
Fortunately, even after the danger has approached half way, it still has to close half the remaining distance. After that, it has to close half the remaining distance after that. This means that the danger must close half the remaining distance an infinite number of times before it arrives.
https://en.wikipedia.org/wiki/Zeno%27s_paradoxes
https://en.wikipedia.org/wiki/Zeno%27s_paradoxes