the.com/figure eight
The shape that infinity stole, then made it lie down for a nap.
Skating originCompulsory figures dominated skating scores until 1990.
Infinity twinStand it upright and you get the infinity symbol.
Knot familyA figure-eight knot is climbers' trusted lifeline.
Race tracksSome demolition derbies run figure-eight courses for crashes.
Stable orbitThree equal stars can chase each other in one.