'Spray-On Solar-Power Cells'

'Spray-On Solar-Power Cells'
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"Scientists have invented a plastic solar cell that can turn the sun's power into electrical energy, even on a cloudy day," National Geographic reports.


New Solar Cycle Under Way

The National Oceanic and Aeronautic Administration (NOAA) announced on 4 January that the first sunspot of Solar Cycle 24 , identified as sunspot #10,981, had appeared on the sun's northern hemisphere.