Welcome to DU! The truly grassroots left-of-center political community where regular people, not algorithms, drive the discussions and set the standards. Join the community: Create a free account Support DU (and get rid of ads!): Become a Star Member Latest Breaking News General Discussion The DU Lounge All Forums Issue Forums Culture Forums Alliance Forums Region Forums Support Forums Help & Search

passiveporcupine

(8,175 posts)
9. Since all atoms are constantly in motion
Mon Nov 4, 2013, 06:32 PM
Nov 2013

I wonder if a turn at that speed would just mean the shaft in the concrete rotates without moving the concrete at all.

Latest Discussions»Culture Forums»Science»This mind-bending machine...»Reply #9