The Powder Toy

bchandark

I seriously think this will work.

http://img190.imageshack.us/img190/2146/perpetualmotion.png

Any problems with it?

Simon

Yes. The energy required to desalinate the water is going to be either equal to or greater than the energy you're "getting" from osmotic pressure.

HolyExLxF

Osmotic pressure will never, EVER be greater than air pressure.
Ever.

triclops200

yes, and the energy lost in spinning the turbine will also cause it to stop.

Rconover

friction, there is always friction between all particles, this will slowly stop it along with the turbine friction

DucTape

Take out the turbine and have useless perpetual motion, MAYBE.

floridarolf

http://en.wikipedia.org/wiki/First_law_of_thermodynamics
http://en.wikipedia.org/wiki/Second_law_of_thermodynamics
http://en.wikipedia.org/wiki/Third_law_of_thermodynamics

Protip: its not: You dont speak about thermodynamics.

DucTape

Right, that's why it might move forever if it doesn't produce any energy.

plypencil

bchandark on a small enough scale this would work, however when you take this idea to the macroscopic level the friction and resistance of the turbine stop it from working.

tutut125

oh well it would not work in a sense that it would benefit the world but the biggest changes come from the smallest creavese

Perpetual Motion?