A solution to the energy crisis?

A few days ago I saw this interesting setup on the wall in a medical center.

Obviously, this is the solution to the world’s energy needs. No more greenhouse emissions, no need for nuclear power plants, no oil shortages… just a clean, compact, self-contained electrical version of the classic Perpetuum Mobile.

The sign, in case you’re rusty on your Hebrew, says “Please don’t press the switch. “. An most reasonable request – interrupting the flow of free electricity would certainly not do…