Reddit reviews Parallel Worlds: A Journey Through Creation, Higher Dimensions, and the Future of the Cosmos
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Wait, wait, wait. I clicked on this page because I didn't know that anybody thought that it wasn't.
https://en.wikipedia.org/wiki/Time_travel
It is theoretically possible, according to relativity. It is merely incredibly impractical for us right now. We do not have the technology.
One way to travel to the future would be to go up in a space ship that's moving incredibly fast. (Close to light-speed, that is. It is difficult to go this fast. Our ships are incapable.) Because of special relativity, you would perceive everybody to speed up and they would perceive you to slow down, perhaps to freeze. If you were to watch your friend get sucked in by a black hole, you would never see it end because they were moving so fast near the event horizon. They would freeze in your view.
Firenadiceman is wrong because you are not going anywhere. Time is relative. You still exist. You never cease to exist. You are in your space ship for a month, and that's all the time that went by, a month. Earth had thirty years, but that's because of the speed Earth was moving. Matter was conserved and modern physics is quite something.
It is theoretically possible to travel through time with an Einstein-Rosen bridge (wormhole), though those only exist in theory as well. Richard Gott III came up with cosmic-string travel: Two colliding cosmic strings will distort space. This means that if you move through that space, you will also move through time (as they are the same thing: space-time; they are merely different dimensions of the same thing). There are more that I haven't mentioned because I forget precisely how they work.
You should read Parallel Worlds by Michio Kaku.
It's been a while but I'm pretty sure this was the book.
Einstein: His Life and Universe
The Black Hole War
The Trouble With Physics
Parallel Worlds
The Red Limit: The Search for the Edge of the Universe
Warped Passages
The Singularity is Near
Parallel worlds by Michio Kaku is pretty good, if you're into the history of string theory and/or the universe. I read it about 10 years ago, so I'm not sure if it's outdated nowadays.
The world without us by Alan Weisman talks about what would happen to the earth if we disappeared, it talks about engineering marvels like the hoover dam, NY subway system, and nuclear waste storage sites and what could happen to these if humans were not around the maintain them.
I'm looking for a book about space if anyone has a suggesting. Particularly books that talk about neutron stars and other cosmic wonders.
If you think you can read an undergraduate textbook Ryden is a standard.
However, if you think that may be too advanced, start with some popular books on the subject such and The Fabric of the Cosmos by Brian Greene, Parallel Worlds by Michio Kaku or the classic by Hawking A Brief History of Time.
If after reading those you want something more advanced but still not a textbook try The Road to Reality by Penrose. It reads like a popular book but he actually works through math (and the real stuff with like tensors etc...) to make his points so it is more advanced. Also, the Dummies Books are also a more intermediate step and are often decently good at teaching the basics on a lower technical level than a textbook.
I like Michio Kaku. Perhaps this book is what you're looking for?
Would Askscience consider Parallel Worlds by Michu Kaku and other works by him to have acceptable science behind them, or is he just making things up?
(Before suggesting it, since it's not my field, I thought I should ask)
Looking on their website it seems as if they do not let outside people borrow from their library, sorry :(.
I know many libraries have "partnerships" for the lack of a better word, where if you try to borrow a book from the library, and they don't have it, they will request it from somewhere else they are partnered with and get it for you.
Some ideas of books:
For my undergraduate astrophysics class I used - Foundations of Astrophysics by Ryden and Peterson, ISBN13: 978-0-321-59558-4
I have also used (more advanced, graduate level) - An Introduction to Modern Astrophysics by Carroll and Ostlie, ISBN13: 978-0-805-30402-2
There are plenty of other undergraduate text books for astrophysics, but those are the only two I have experience with.
Some other books that may be just fun reads and aren't text books:
A Brief History of Time - Hawking
QED: The Strange Theory of Light and Matter - Feynman
Random popular science books:
Parallel Worlds - Kaku (or anything else by him Michio Kaku)
Cosmos - Sagan
Dark Cosmos - Hooper
or anything by Green, Krauss, Tyson, etc.
Videos to watch:
I would also suggest, if you have an hour to burn, watching this video by Lawrence Krauss. I watched it early on in my physics career and loved it, check it out:
Lawrence Krauss - A Universe From Nothing
Also this video is some what related:
Sean Carroll - Origin of the Universe and the Arrow of Time
Hope you enjoy!
Edit: Formatting.
These are not fast questions, haha.
>What do you think is on the other side of the black hole?
Theoretically, if the black hole is part of a pair that were created from entangled subatomic particles, then they would be connected by an Einstein-Rosen bridge, and (again, theoretically) if you were to allow yourself to be sucked into one of them you'd emerge wherever the other one happens to exist. This could be in another galaxy, or yeah, some people think it's possible you could end up in another universe.
>Is there a lot of universes?
Theoretical physicists (particularly those working in string theory) are starting to think that yes, there are. Brian Greene and Michio Kaku have written reasonably accessible books on this theory, if you're interested.
>what about aliens?
Of course. It is highly unlikely that in a universe filled with billions of galaxies, each of which contains hundreds of millions of stars, only one of them would have a planet in its orbit that is capable of sustaining life. Robert Lanza hypothesizes that, in fact, the universe is biocentric - that life and consciousness are not mere accidents, but what the structure of the universe is based around. This, too, would suggest that life cannot then be confined to one planet.
>What happens to the infj emotion after their death? Are you thinking of reincarnation?
Not reincarnation exactly, no. My beliefs are pantheistic in a way that isn't really compatible with reincarnation in the traditional sense. My concept of "God" is, essentially, "the combined energy of the universe". Part of this energy is used to power my body and mind; what some might call a soul. But my "soul" isn't a discrete entity; it is made of energy, which is fungible. So, when I die, that energy (and therefore, I) will return to "everything". Of course, it will then be used to power other things... perhaps another life form, perhaps a star, or wind, or electricity. But it won't be the "same" energy - just as, if you pour a cup of water into the ocean and then fill another cup from it, it won't be the "same" water. It comes from the same source, but the individual molecules are probably going to be different. But I do think our thoughts and memories remain, as a sort of... resonance, let's say. They become part of everything, too. When people talk about remembering past lives, most likely they are accessing these resonating memories. But, not because your soul has moved into their body - rather, because you, and they, are part of the same whole.
Which, I guess, might sound like quibbling - it's not that different from reincarnation, not really. It's just that one view sees every soul as separate, and the other does not.
Sooo many lol, here are some of my favorites.
ADHD
Smart But Stuck: Emotions in Teens and Adults with ADHD https://www.amazon.com/dp/111827928X/ref=cm_sw_r_cp_api_1.Y9ybCSGW7GF
General Brain Stuff
You Are Not So Smart: Why You Have Too Many Friends on Facebook, Why Your Memory Is Mostly Fiction, an d 46 Other Ways You're Deluding Yourself https://www.amazon.com/dp/1592407366/ref=cm_sw_r_cp_api_abZ9ybEHGSMEK
You are Now Less Dumb: How to Conquer Mob Mentality, How to Buy Happiness, and All the Other Ways to Outsmart Yourself https://www.amazon.com/dp/1592408796/ref=cm_sw_r_cp_api_vbZ9ybKY1636G
School/Study Help
A Mind for Numbers: How to Excel at Math and Science (Even If You Flunked Algebra) https://www.amazon.com/dp/039916524X/ref=cm_sw_r_cp_api_gcZ9ybCDM8Q6K
Social/Relationship skills
What Every BODY is Saying: An Ex-FBI Agent’s Guide to Speed-Reading People https://www.amazon.com/dp/0061438294/ref=cm_sw_r_cp_api_1cZ9ybQJXS3BK
The Chemistry Between Us: Love, Sex, and the Science of Attraction https://www.amazon.com/dp/1591846617/ref=cm_sw_r_cp_api_OdZ9ybBFRG9R4
Cosmology
Parallel Worlds: A Journey Through Creation, Higher Dimensions, and the Future of the Cosmos https://www.amazon.com/dp/1400033721/ref=cm_sw_r_cp_api_GeZ9ybHP9J2J5
Each one of these books has had a big impact on me, as a side note I'm have become a big fan of audible since I normally have a hard time sitting still to read, so I'd recommend giving it a try if you never have. You'll be surprised how much of a book you can comprehend while listening to it as do you other random chores and stuff throughout the day.
Parallel Worlds by Michio Kaku