Why do physicists use Bob and Alice in thought experiments?

[rhody]

But easy to do. The only hard part is the ground when you come right down to it.

Lisa is trying to out do you, but you keep coming back with priceless gems... what say you (Saturday Night Live Lisa ?)

Rhody...

 

[Jimmy Snyder]

Jimmy, you are volcano-bait for sure!

Like the majority of my jokes, that one's lifted. I just edited my earlier post.