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The out-of-tune lyre of Pythagoras

The out-of-tune lyre of Pythagoras

The out-of-tune lyre of Pythagoras Why, of all the arts, has music been the one that has…
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Me and the energy

Me and the energy

Me and the energy Nikola Tesla has gone down in history as the inventor of alternating current,…
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Signed by Nikola Tesla

Signed by Nikola Tesla

Signed by Nikola Tesla. Writings and Letters, 1890–1943 In addition to inventing engines and turbines, dreaming of…
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The thousand faces of the moon

The thousand faces of the moon

The thousand faces of the moon In few territories are there so many fierce battles between reality…
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The lie

The lie

The Lie: stories of impostors and deceived «If a deception can materialize, it's because there's always someone…
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The Olympiad of Riddles

The Olympiad of Riddles

The Olympiad of Riddles 101 puzzles that will test your mathematical knowledge, observation skills, and quick thinking.…
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