Underneath, Whitman had the choice position, sleeping next to a soft, cool patch of earth, his bag enveloping him and keeping him warm. That left Morris and Batista leaning up against the passenger side wheels. Their bags were done up especially tight but were open at the top, keeping out...
Efforts in the past to build similar solar cells have faltered, due largely to the costs involved. However, with the price of solar-related materials dropping in recent years, this latest device may prove commercially viable. And built to a larger scale, the device could provide a super-chea...