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

Gaston Berger (1896-1960), francuski futurolog

‘Groups’ Underpin Modern Math. Here’s How They Work

What do the integers have in common with the symmetries of a triangle? In the 19th century, mathematicians invented groups as an answer to this question.
Link :
https://www.wired.com/story/groups-underpin-modern-math-heres-how-they-work/