On: ‘Two-faced’ membrane can create electricity from s...

[taneq]

Amazing new steam engine creates power from nothing but water![1]

Still a pretty cool thing if they can just install these in a river mouth and get free electricity out of 'em.

[1] And an external heat source such as a coal fire.

[agumonkey → taneq]

Maybe even a sea/river buffer dam. Hydro + Osmotic