The wings are covered with a sheet of thin-film solar panels, which produce less power than the polycrystalline solar panels found on buildings, but are very lightweight.

FORBES: This Solar-Powered Drone Will Watch You All Day

Of course, members of the Academy of Motion Picture Arts and Sciences don't look at a film's balance sheet before they cast their votes.

FORBES: The Big (Budget) Picture

They coated the array with a thin film of gold and placed it above a flat, gold-coated sheet of glass.

BBC: 'Cloaking' idea traps a rainbow