The purpose of the looking at the future...is to disturb the present!

Gaston Berger (1896-1960), francuski futurolog

The ‘Lonely Runner’ Problem Only Appears Simple

Take a group of runners circling a track at unique, constant paces. Answering the question of how many will always end up running alone, no matter their speed, has vexed mathematicians for decades.
Link :
https://www.wired.com/story/the-lonely-runner-problem-only-appears-simple/