The new design offers a glimpse of a future in which phones, laptop screens, or even car windows could harness sunlight for electricity. Researchers have made near-transparent solar cells that are efficient enough to charge a phone battery. The advance, published in the journal Proceedings of the National Academy of Sciences, is a glimpse at a... Continue Reading →
Personal cooling device overcomes AC’s flaws
Low-cost gadget that absorbs heat radiating from skin could be an energy-efficient, quiet way to keep cool with windows open for fresh air In a world facing increasingly hot summers, cooling technologies can be life-savers. But cranking up air-conditioning only adds more planet-warming gases to the atmosphere. Researchers in China say they have now developed... Continue Reading →