I wanted to post a small thought experiment that has been really bugging me.
Let's say you could build a Newton's cradle the length of 1 AU, all the balls are elastic, there is no loss of energy due to friction, and you are standing at one end and your friend is standing at the other. At the...
I like this one.
I personally like to think of it as sand, and I assume upper level physicists construct the graviton from this idea.
Basically, if we assumed somewhere in the sub-atomic particles was 1 "graviton", then each graviton would be attracted to, say, Earth's gravitons, in...