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This invention may change the world of renewable energy

Do you know that by 2024 the total renewable energy capacity will exceed 4 tw (Terawatts)? This is equivalent to the total ...

100 years ago, an entrepreneur revealed his wacky invention—and changed the world

John Logie Baird took his Televisor out of stealth on January 26, 1926. But the demonstration faced some serious skepticism.