Their name is SIG, Self-Energy Converting Sunglasses: photovoltaic glasses to protect eyes from sun, but also able to recharge MP3 players.These lenses (a prototype) are covered with an organic colouring that transforms light in electricity and then stores it in the frame. Only one flaw: efficiency of the solar cells depends on time spent staring at sun!
1 anno fa
Nessun commento:
Posta un commento