Solar panels are becoming cheaper and more efficient. So how exactly do they work? Read More: Cheap solar cells made from shrimp shells www.sciencedaily.com/releases/2015/02/150218191724.htm “Researchers have successfully created electricity-generating solar-cells with chemicals found the shells of shrimps and other crustaceans for the first time.” How Solar Got Cheap www.npr.org/templates/transcript/transcript.php?storyId=398811199 “All my life, solar power has been the thing that's coming in the future.” The History Of Solar www1.eere.energy.gov/solar/pdfs/solar_timeline.pdf “Solar technology isn’t new. Its history spans from the 7th Century B.C. to today.” Photoelectric effect www.britannica.com/EBchecked/topic/457841/photoelectric-effect “Photoelectric effect, phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation.” ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube testtube.com/dnews Subscribe now! www.youtube.com/subscription_center?add_user=dnewschannel DNews on Twitter twitter.com/dnews Trace Dominguez on Twitter twitter.com/tracedominguez Julia Wilde on Twitter twitter.com/julia_sci DNews on Facebook facebook.com/DiscoveryNews DNews on Google+ gplus.to/dnews Discovery News discoverynews.com Download the TestTube App: testu.be/1ndmmMq

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