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Just 0.1mm-thick, this next generation #solar cell for satellites can convert 30% of the sunlight it absorbs into electricity.
Read more: http://www.esa.int/spaceinimages/Images/2018/05/30_efficiency_solar_cell https://mobile.twitter.com/esa/status/999235994338521089/photo/1 source: https://twitter.com/esa/status/999235994338521089