Researchers fabricate phase-heterojunction all-inorganic perovskite solar cells with an efficiency above 21.5%.
Dec 20, 2023 What would you do with a used Rolls-Royce Olympus engine from Concorde? The engine, which sold for $718,000, cannot be flown again.
Dec 12, 2023 The Shadowy Industry Dedicated to Squeezing Every Last Penny out of People in Prison Two companies shape what it’s like to be in prison in most of America. Their opacity gives them power.