Spray-On Solar Cells
That’s right, poly(3-hexylthiopene) or P3HT is the answer. Soon we will be able to produce clean conductive power on virtually any surface.

Now if they could only develop a toothpaste with this stuff. “Poly-dontics” they could call it. You would put it on and the world would scream, “His smile is electrifying.”
Ah, to be young again—and also a robot.

