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Bir kuvartz saat nasıl çalışır - kalbi saniyede 32.768 kez atıyor
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This Rod Fountain Finally Proves Me Right
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Enigma Makinesi nasıl çalışıyordu?
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Mini Giant Marble Clock that tells the time using marbles - Still too big
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ROCKET that LITERALLY BURNS WATER as FUEL
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How petrol pumps know when to turn themselves off
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The most complex LEGO Tank
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