People without access to dependable electricity often turn to dirty, even dangerous kerosene lanterns, so Panasonic is giving away 100,000 solar lanterns to communities in need.
The power of the sun has been harnessed to run everything from toys to planes to racecars.
Americans produced a record amount of solar and wind energy in 2012, and will likely continue doing so this year with government tax incentives and technological advancements in renewable energy.
The solar-powered aircraft finished its historic cross-country flight with absolutely zero fuel, though it had to land early due to a ripped wing.
With power from sunlight, the ultra-lightweight plane touches down after an 18-hour flight.
A new solar cell can produce two electrons for every particle of light that hits it, at least at certain wavelengths.
A robot arm mounted on tank treads can install solar panels day and night for an energy-hungry world.
The decathlon enlists nearly two dozen teams of students to design full sized, sustainable homes from the ground up using solar power.
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