This is pretty neat: a kinetic sculpture (of steel balls on strings) at the BMW museum. Worth a look-see (it gets good at around 0:50): Hit play or go to Link [YouTube] - Thanks Renata Foucre!
NEATOSHOP'S BLACK FRIDAY SALE
Save up to 25% off ALL T-shirts from the NeatoShop! Hurry - sale ends Nov 29, 2015.