Figuring out
"The force which pulls us down on earth is the same that keeps moon in orbit" or
"If speed of light is constant in all frames, time must not be absolute"
-------------------------------------------------------
answers:
sheldon say: I'd say "tat tvam asi"
-
Tom say: That at a higher level of reality, position and space between particles does not exist. relative Position in space and distance between particle and objects is but an ILLUSION of how we perceive different wave attributes of particles---as positions in a 3 D space. ______Just as in a sense, we perceive different frequencies of EMR as colors, we perceive other aspects of matter as space positions.
This is called the Holographic Universe Theory, or HUT Rapidly gaining ground in high powered physic's theories as it explains so much. especially the two slit experiments and the observer effect in quantum physics .etc.
HUT has nothing to do with lasers and substrates, but rather describes an allegory between a Hologram and how our reality/universe works.
As far as "mind boggling goes", HUT has gravity beat by far.
-
Toby say: Time dilation.
If you had a train that went round the earth at 99.999% of the speed of light....
...that is, around the earth 7 times a second...
...and you put a person on that train, and they decided to run from one side of the carriage to the other...
...then they would be running faster than the speed of light, right?
Wrong.
To stop this happening, time slows down inside the train. The same way that time slows down when the Large Hydron Collider speeds up particles really fast and they survive 30x longer than normal.
In the train example, if the people in the train stayed in the train for 7 days, 100 years would pass outside the train. How mind boggling is that?
Similar thing happens with gravity. Big heavy things dilate time. So like in the center of our galaxy is a massive big old black hole. And time around that black hole passes 2x slower. So if you had twins and one stayed on earth and one went in a spaceship around the black hole, one of them would age twice as fast! Then you could look at the old you and see what you'll turn out like.