In @StarWars #TheForceAwakens, BB-8, a smooth rolling metal spherical ball, would have skidded uncontrollably on sand.
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@neiltyson@starwars good point. Hopefully it self cleans to allow for friction to do its job! - 1 more reply
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@neiltyson@Urvi_Bhatnagar@starwars what if it's made of a grippier material?Thanks. Twitter will use this to make your timeline better. UndoUndo
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@neiltyson@Urvi_Bhatnagar@starwars or maybe he was rubberized, and you just can't tell by looking at him with the naked eye.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@neiltyson@Urvi_Bhatnagar@starwars what happens if he's rotating to create a small anti-grav field? Huh? Didn't think of that science guy!Thanks. Twitter will use this to make your timeline better. UndoUndo
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