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A comment on Ways to travel at nearly the speed of light. Parent comment

Re:Ways to travel at nearly the speed of light by pugworthy on Saturday June 01, 2019 @09:33PM (#20072907)
In this case (Breakthrough Starshot), the core of the probe weighs grams. It would never make it to the ground.
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Re:Ways to travel at nearly the speed of light by jacobush on Sunday June 02, 2019 @10:37AM (#20075702)
I was more thinking about the flash when something of relativistic speed hits something else. An atmosphere for instance.
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