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realflow100
#1
Nov20-12, 02:02 PM
P: 4
like how everything bounces off of each other. or collides.. (a pebble dropped onto the sand at the beach for example.. every single particle of sand including the pebble interact with each other.)
why does the known physics exist?
what if there was no interactions between various materials? (various objects passing through each other like the other isn't there?)
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