How would you like to have a cellphone that never needed to be charged? That’s the promise of French company Wysips, which wants to turn your phone’s screen into a solar charger. It works like this: a transparent photovoltaic film […]
How would you like to have a cellphone that never needed to be charged? That’s the promise of French company Wysips, which wants to turn your phone’s screen into a solar charger. It works like this: a transparent photovoltaic film […]