Forget wireless charging, the MacBook of the future could be solar powered — if Apples patented technology comes to market. The Cupertino, Calif.-based design company filed a patent for a two-sided laptop display casing with photovoltaic cells for solar charging. The patent details a few intriguing possibilities for the laptops lid, including a futuristic transparent housing for the display that allows light to pass through it to illuminate the Apple logo.