The universe in a nutshell

5 – Comments
- Radiation from such black holes would be utterly swamped by the 2.7-degree radiation left from the hot big bang- the cosmic background radiation.
- The virtual-particle pair will have a ware function that predicts that the two members will definitely have opposite spins.
- Many physicists didn’t like reduction in determinism and therefore suggesting that information about what is inside can somehow get out of a black hole.
- If one takes Einstein’s general theory of relativity seriously, one must allow the possibility that space time ties itself in a knot and info gets lost and folds.
- Nothing will get lost, and time will roll smoothly on.
4 – Question
- What forms a black hole?
- Is it true that if a person go onside a black hole, that they would die in pieces?
- Is there another side of a black hole?
- How dangerous is a black hole?
3 – Vocabulary
Planck time = about 10(-43) seconds, time it takes light to travel the distance of a Planck length
- Event = a point in space time specified by its place and time
- Light year = Distance traveled by light in one second.
2 – Literary terms
- The black hole is like a vacuumed, that suck everything in
- The speed of light is like somebody having the ability to freeze time.
1 – Overview
- This part of the book is about the black hole and the speed of light