EnvironmentWe can repurpose retired coal plants to produce green energy Piles of dirt can cheaply store renewable energy as heat – and that stored energy can reactivate the machinery of retired coal power plants, letting them provide backup power for the electricity grid 51¶¯Âþ
SpaceCameras that work like our eyes could give boost to astronomers Neuromorphic cameras, which only record data when a pixel's brightness changes, may be advantageous for capturing extremely bright and dim objects in the same image and tracking fast-moving objects 51¶¯Âþ