Two-Axis Pendulum

It is, actually. Red makes several loops.

You're right. I think I was just paying more attention to the spazzy blue line.

...but can't...sooo mesmerizing

I saw half a sec graph and half of a cos graph

Actually, double pendulum's do this weird thing called Chaotic Motion, which basically means that starting two double pendulums with identical initial conditions won't guarantee that they'll perform the same motion.

Yay free will.