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"We have no real way of verifying whether or not these so-calls crystals were purchased alongside some bizarre time machine on eBay, but we'll take this guy's word for it and assume not for the time being. Reportedly, University of Queensland professor Max Lu has teamed up with researchers in order to grow \"the world's first titanium oxide single crystals with large amounts of reactive surfaces.\" Put simply, these very crystals can \"absorb sunlight and convert it into electricity.\" It's said that Lu has been working on the project for some 15 years, and even now, he doesn't expect the creation to be commercially viable for another decade. Aside from morphing into fairies and making dreams come true, the things could also be used to \"purify air and water.\" Pair this up with an invisibility cloak and we'll really be in business.[Thanks, Brendan]"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2008/05/28/crystals-hold-promise-of-affordable-solar-energy-may-have-been/>