I Heard Secret Signals From North Korea!
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12:23
This Super Modified Radio Picks Up Signals Thousands Of Miles Away!
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13:46
Por que essa inovação em baterias ultra baratas é importante
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11:38
Um asteroide atingirá a Terra em 2032?
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26:09
Testo os Novos SUPER LASERS... Eles vão revolucionar a indústria de máquinas!
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13:36
Lawrence: Trump humiliated on the world stage as France's Macron instantly corrects his Ukraine lie
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10:02
The CURSE of white LEDs
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30:26
Mitos comuns sobre rádio amador desmascarados!
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31:33