tag:techtv.mit.edu,:Array/183732780 2008-07-30 17:41:52 -0400 MIT News Office <p>In a revolutionary leap that could transform solar power from a marginal, boutique alternative into a mainstream energy source, MIT researchers have overcome a major barrier to large-scale solar power: storing energy for use when the sun doesn’t shine. <a href="http://web.mit.edu/newsoffice/2008/oxygen-0731.html">More</a></p><p>Video: MIT News Office </p> 128