Happy Leap Friday! For your enjoyment, some ferromagnetic fluids jiving to a piano piece:
An original video appeared here; a playable copy has not been recovered.

O brave new quantum world!
Happy Leap Friday! For your enjoyment, some ferromagnetic fluids jiving to a piano piece:
An original video appeared here; a playable copy has not been recovered.
This is why I told you at SQuInT that if I didn’t do quantum info I would switch to experimental fluid dynamics.