News tagged with solar

Tandem solar cells are more efficient

Stacking two solar cells one over the other has advantages: Because the energy is "harvested" in two stages, and overall the sunlight can be converted to electricity more efficiently. Empa researchers have come up with a ...

dateNov 23, 2015 in Energy & Green Tech
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SDO sees a dark filament circle

A dark, almost circular filament broke away from the sun in a gauzy, feathery swirl, on Nov. 15, 2015, in this video from NASA's Solar Dynamics Observatory. This filament eruption was followed by a second filament breaking ...

dateNov 26, 2015 in Space Exploration
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How solar panels are making waves

If you think of electrical current flowing like water from the grid to your home, you can start to imagine the waves your rooftop solar panels create when they try feeding current in the opposite direction.

dateNov 25, 2015 in Energy & Green Tech
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