Perpetual Motion: Is it Possible?

[PFuser1232]

According to the second law of thermodynamics, perpetual motion is impossible, right?
But how do gas molecules in a closed container move perpetually?

 

[jedishrfu]

Its really not a closed system. The containers walls are made of atoms/molecules that are in motion as well and outside the system atoms/molecules are in motion.

 

[Dale]

According to the second law of thermodynamics, perpetual motion is impossible, right?
But how do gas molecules in a closed container move perpetually?

According to the second law of thermodynamics perpetual motion machines are impossible.