Did you solve it? Dogs in pursuit
by Alex Bellos from Science | The Guardian on (#4GDH7)
The solution to today's puzzle
Earlier today I set you the following puzzle:
Four dogs are in four corners of a square of side length 1. Each dog starts running towards the dog immediately anti-clockwise to it. The dogs start at the same time, they all run at the same speed, and at every moment each dog is running directly towards the neighbouring dog.
Continue reading...