An experiment using solar concentrators, which focus sunlight to a point, to roast green chillies suggests it may be possible to build portable solar cookers Technology 10 August 2022 By David Hambling Roasting chilli peppers on top of the National Solar Thermal Test Facility at Sandia National Laboratories Sandia Green chillies roasted with concentrated sunlight … Read more
Dust drastically lowers the output of solar panels, but applying an electric field to the panels can make dust particles repel each other and disperse Technology 11 March 2022 By Chen Ly Illustration of dust removal from a solar panel using static electricity Sreedath Panat and Kripa Varanasi Static electricity could remove dust from desert … Read more
By David Hambling The US Navy is developing an uncrewed solar-powered aircraft to fly for 90 days at a time. The Skydweller aircraft could be used as a communications relay platform or a constant eye in the sky to escort surface ships. The testbed aircraft adds new software and upgraded hardware to Solar Impulse 2, … Read more