A soccer ball that generates and stores energy as players kick it, then provides energy at home. 15 minutes on a soccer field captures enough energy to power a cell phone or a small light for three hours.
Applied with a spray gun, it allows builders and homeowners to turn doors, roofs and windows into power generating solar panels.
A wall panel filled with paraffin wax capsules that melt and absorb heat, keeping room temperatures around 73 degrees. At night, if temperatures drop, the wax solidifies again, warming the room by releasing heat.
