Futuristic prototype promises low-cost solar power Reuters Friday, March 18, 2016 23:30 Email Print Polish company develops working prototype of a solar cell in which silicon is replaced by perovskites, substances that perfectly absorb light and are said to be the future of solar energy. More : Poland prototype solar cell solar energy
Facebook reinstates Vietnam photo after outcry over censorship "It's perfectly possible for a company like Facebook to sort this out. Otherwise we risk more censorship."