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Germans turn to balcony solar panels to save money
Germans turn to balcony solar panels to save money As snowflakes gently settled on his balcony solar panels on a cold winter's day, Berliner Jens Sax checked his smartphone to see how much electricity ...
Space on MSN23h
See A Solar Sail In The Night Sky - NASA Explains How
NASA's Advanced Composite Solar Sail System (ACS3) will be visible from the ground. Find out when you can see it on the NASA app on a mobile device. Credit: NASA/JPL-Caltech ...