If it is 11pm on a Sunday and you want to go to bed, don’t ask Carlos about Einstein’s Theory of Relativity, black holes, or time travel. Sorry, it won’t put you to sleep! Be prepared to listen to him explain how there really isn’t any pull or force of gravity but a warping, or curvature, of the spacetime fabric of space caused by the presence of matter. Huh?
My husband can lose track of time once he gets started on any topic of physics, genetics, or space science. He is like a little kid in a toy store; his eyes get this gleam. He speaks so animatedly and you’re transfixed, hooked. You even find yourself asking questions! By this time it’s probably 12am and you find out that this curvature affects the movement of matter through space, and we perceive this as gravity. This leads the talk to black holes and it is probably 12:30am. The last thing you want to know at this time of night....morning, is that black holes were once large stars that go through a supernova explosion then collapse and that they have so much concentrated mass that even light can’t escape it’s “gravitational pull”?

Wait a minute!!

But by this time it’s 1am and you’re tempted to ask one more question so you do.... Does anyone realize what time it is?

“I never teach my pupils; I only attempt to provide the conditions in which they can learn.”
~ Albert Einstein