View Single Post
theBEAST is offline
Jan2-13, 11:35 PM
P: 368
For example in this video at 5:00:

They show by turning the gear with little force allows for one to move a VERY HEAVY gate to operate the sea locks.

I don't understand how this is possible. Could anyone please explain the physics/theory behind this?

Phys.Org News Partner Physics news on
Physicists design quantum switches which can be activated by single photons
'Dressed' laser aimed at clouds may be key to inducing rain, lightning
Higher-order nonlinear optical processes observed using the SACLA X-ray free-electron laser