Comments by "Valcor" (@xXSinForLifeXx) on "SmarterEveryDay" channel.

  1. It sounds like 1000 camera shutters going off interesting. Wonder why the engine sounds like a bunch of idiots taking pictures.....
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  2.  @invising  less harmful to eyes and people sleeping.
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  3. 0:52 the exact reason NASA uses the Australian outback to train for Mars. Literally they have entire facility's out here to train for the conditions.
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  4. Haha thats so cool
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