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Help Understand Quantum Phyisics And String Theory  
User currently offline76794p From United States of America, joined Apr 2008, 349 posts, RR: 0
Posted (4 years 9 months 3 weeks 2 hours ago) and read 1817 times:

I have recently purchased "Elegant Universe" and am a little confused with the whole Quantum physics and mechanics thing and as well as string theory>


There's always money IN the banana stand.
15 replies: All unread, jump to last
 
User currently offlineFlighty From United States of America, joined Apr 2007, 8406 posts, RR: 3
Reply 1, posted (4 years 9 months 3 weeks 1 hour ago) and read 1817 times:

You already did step 1, which is buy that book.

Now, open the book. I did. I don't understand f--- all in that book really, but it is a nice story anyhow. It has to do with curly particles you can't see, and they bend time and errrr, I don't really understand, sorry.


User currently offlineAKiss20 From United States of America, joined Sep 2007, 603 posts, RR: 5
Reply 2, posted (4 years 9 months 3 weeks 1 hour ago) and read 1817 times:

What aspects about it? Ask some specific questions and I can try and answer to the best of my ability, I have done a good amount of reading on such things/am surrounded by nerds constantly who I can ask. Just asking "What is quantum mechanics and string theory" though is a HUGE question.


Change will not come if we wait for some other person or some other time. We are the ones we've been waiting for. We are
User currently offlineDocLightning From United States of America, joined Nov 2005, 19411 posts, RR: 58
Reply 3, posted (4 years 9 months 3 weeks ago) and read 1817 times:

I have some light physics background. Not much, though. But that book does the best job that can be done at explaining it. It's really tough stuff to comprehend.

User currently offlineNighthawk From UK - Scotland, joined Sep 2001, 5126 posts, RR: 34
Reply 4, posted (4 years 9 months 3 weeks ago) and read 1817 times:

you may wish to start here: http://en.wikipedia.org/wiki/String_theory  Silly


That'll teach you
User currently offline76794p From United States of America, joined Apr 2008, 349 posts, RR: 0
Reply 5, posted (4 years 9 months 3 weeks ago) and read 1817 times:



Quoting AKiss20 (Reply 2):
What aspects about it?

I would like to know about a little of everything, especially how the strings are held together.



There's always money IN the banana stand.
User currently offlineN104UA From United States of America, joined Dec 2007, 902 posts, RR: 0
Reply 6, posted (4 years 9 months 2 weeks 6 days 23 hours ago) and read 1817 times:

Here watch these you tube videos that explain string theory

Part 1: http://www.youtube.com/watch?v=JkxieS-6WuA
Part 2: http://www.youtube.com/watch?v=ySBaYMESb8o&feature=related

These really explain what string theory is up to the 10th dimension



"Learn the rules, so you know how to break them properly." -H.H. The Dalai Lama
User currently onlineMir From United States of America, joined Jan 2004, 21526 posts, RR: 55
Reply 7, posted (4 years 9 months 2 weeks 6 days 20 hours ago) and read 1817 times:



Quoting 76794p (Thread starter):
Help Understand Quantum Phyisics And String Theory 

42.

That is all.  Smile

-Mir



7 billion, one nation, imagination...it's a beautiful day
User currently offlineAaron747 From Japan, joined Aug 2003, 8021 posts, RR: 26
Reply 8, posted (4 years 9 months 2 weeks 6 days 16 hours ago) and read 1816 times:

A good understanding at a basic level of all these wacky fields in theoretical physics can be had by reading Dr. Michio Kaku's "Parallel Worlds". Enjoy!


If you need someone to blame / throw a rock in the air / you'll hit someone guilty
User currently offlineAirstud From United States of America, joined Nov 2000, 2638 posts, RR: 3
Reply 9, posted (4 years 9 months 2 weeks 6 days 16 hours ago) and read 1816 times:

Isn't string theory starting to fall out of fashion in physicist circles?


Pancakes are delicious.
User currently offlineAustrianZRH From Austria, joined Aug 2007, 1366 posts, RR: 0
Reply 10, posted (4 years 9 months 2 weeks 6 days 16 hours ago) and read 1816 times:

To understand them, you have to specialize yourself in them. I got my MSc in Physics 2.5 years ago and am currently working on my PhD, both in experimental solid-state physics. And guess what - I haven't really understood those theories. Basic QM questions, ok, but quantum field theory, string theory, all that stuff, forget it without in-depth lectures and loads of reading.


WARNING! The post above should be taken with a grain of salt! Furthermore, it may be slightly biased towards A.
User currently offlineYellowstone From United States of America, joined Aug 2006, 3071 posts, RR: 4
Reply 11, posted (4 years 9 months 2 weeks 6 days 12 hours ago) and read 1816 times:



Quoting Airstud (Reply 9):
Isn't string theory starting to fall out of fashion in physicist circles?

Quite a few experimentalists and non-string theoreticians aren't especially fond of it. It's an interesting mathematical exercise to come up with a set of rules that fits what we know about how particles interact, but so far string theory has not provided any quantitative predictions that could be confirmed by experiment. And if your theory can't be confirmed by experiment or observation, it's not scientifically rigorous.



Hydrogen is an odorless, colorless gas which, given enough time, turns into people.
User currently offlineEvan767 From United States of America, joined Aug 2005, 2957 posts, RR: 2
Reply 12, posted (4 years 9 months 2 weeks 6 days 4 hours ago) and read 1583 times:



Quoting Nighthawk (Reply 4):
you may wish to start here: http://en.wikipedia.org/wiki/String_theory  

That's the last place you want to go if you're trying to make sense out of string theory. It's something difficult to grasp, but this website helped me gain a general understanding of string theory: www.superstringtheory.com

One of the first things I'd try and do to grasp both quantum mechanics and string theory is to try and understand leptons, bosons, and quarks.



The proper term is "on final" not "on finals" bud...
User currently offlineAKiss20 From United States of America, joined Sep 2007, 603 posts, RR: 5
Reply 13, posted (4 years 9 months 2 weeks 6 days 3 hours ago) and read 1567 times:

Depending on your interest/freshness with multi-variable calculus and topology, I would recommend Road to Reality: A Complete Guide to the Laws of the Universe by Roger Penrose. I received that book when I was about 12, but now that I am a freshman in college and actually learning multi-variable and the like, I am going to start going through it. I have read very good things of it, it is considered one of the better guides to these things.


Change will not come if we wait for some other person or some other time. We are the ones we've been waiting for. We are
User currently offlineFlanker From United States of America, joined Aug 2005, 1629 posts, RR: 2
Reply 14, posted (4 years 9 months 2 weeks 5 days 22 hours ago) and read 1547 times:

If you want to understand STRING THEORY or the latest about it, i STRONGLY suggest you find any video that you can of MICHIO KAKU. He is the modern Carl Sagan of connecting and explaining to people these complex subjects.

search "michio kaku string theory"

Start with the link below and then go to his personal page and watch everything he has! its brilliant!

http://www.youtube.com/watch?v=ZnQLsERqTIg

http://mkaku.org/home/

I think his myspace page also has numerous videos!

[Edited 2009-10-14 00:07:38 by flanker]


Calling an illegal alien an 'undocumented immigrant' is like calling a drug dealer an unlicensed pharmacist
User currently offlineFlanker From United States of America, joined Aug 2005, 1629 posts, RR: 2
Reply 15, posted (4 years 9 months 2 weeks 5 days 21 hours ago) and read 1527 times:

try this too its really interesting...

http://vids.myspace.com/index.cfm?fu...=vids.individual&videoID=641879988



Calling an illegal alien an 'undocumented immigrant' is like calling a drug dealer an unlicensed pharmacist
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