NASA's Unexplained Files
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Gamechangers: Inventing The World
Thursday, 05:00
Electric. Two pioneers in electric power both aim to develop technologies that reduce carbon emissions - both using electric motors and batteries in aviation and speedboats. S1, Ep2
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Rise of the Ice Creatures. An Apollo 17 photo seems to show a US military outpost on the Moon and is life in the oceans of Jupiter's moons? Plus Neil Armstrong faces real danger. S3, Ep3
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