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EntertainmentYou may not know, solar batteries appeared 140 years ago!
Solar panels are one of mankind's greatest inventions and their history is more interesting than you might think.New breakthrough in solar energy technology
Scientists at Singapore's Nanyang Technological University (NTU) have uncovered a new way to make solar cells more efficient and cheaper.
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Why are there no male queen bees?
The mystery of the 'doomsday' cinema, built in the desert but not a single person has visited for more than 30 years
Mystery of dozens of giant circular structures at the bottom of Lake Michigan
US ship becomes world's largest artificial reef
Wreckage of mysterious missing bomber found after 80 years
Surprised to know the identity of the Russian missile debris 'hunter'
Australia releases chemical composition data of nearly 1 million stars
NASA shuts down plasma device to save spacecraft 20.5 billion kilometers away
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