Wheat is harvested from a strip lined with vertical solar panels at Next2Sun Solar Park in GermanyKnoblauch GmbH/Next2Sun With the price of solar panels falling rapidly,…
Most of Spain’s electricity is generated by solar and wind powerAlvaro Barrientos/AP Photo/Alamy Countries that have large amounts of wind and solar power installed on their…
Pwadol Jatrawuttichai/Alamy About 450 kilometers north of Helsinki, Finland, there is an abandoned mine. Despite its remote location, it is attracting attention because of the role…
CoulombFly, a prototype of a small solar-powered droneWei Shen, Jingze Peng, and Mingjin Qi Weighing just 4 grams, the drone is the smallest solar-powered aircraft ever…
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