Quantum Theory

can anyone give me a complete explanation of the Schrodinger equation and also give its derivation or atleast tell me where on the web i can find it

I've been reading up on Heisenberg's Uncertainty Principle, and I've got a question about it. How does one measure the position of a particle such that it effects the momentum, and visa-versa? Does one effect the other regardless of the method used to measure them?

Newton's first law (the law of inertia) states that a body at rest will remain at rest and a body in motion will continue in motion with constant speed in a straight line, as long as no unbalanced force acts on it. But is it true? Do bodies stay in motion for no reason at all? A change in position is an effect in need of a cause just as much as any other effect. If a particle at rest is caused to move in a certain direction, what keeps it moving in the same direction after the initial force is taken away? Can a particle move itself? Can an effect be its own cause? Of course not. I think that motion is a series of quantum jumps whereby the position of a…

hi could someone please give me a brief idea of what the m theory is. and also could someone explain how ive their was a hoole in space to another universe another part of the universe , could their just be a hole in the universe.i know it requires a extremely high amount of energy but even so i dont understand it , it basically sounds like to me blowing a hole in a extremly big building. Thanks

I have seen a few shows on quantom mechanics and done a little research and everthing that i have seen talks about some amount of randomness at a quantom level, this doesnt make sence to me, is what its trying to say is that we cant predict it or understand why it reacts the way it does? becouse it is imposible for something to be compleatly random isnt it?

I`m sure quite a few have seen pictures either on TV or Physics text books, of Radioactive material being submersed in huge water tanks and there`s a strange Blue Glow at the bottom. What is that? I think it would be safe to say it isn`t a Plasma as it`s under water.

I understand that its been proved that simple locality and causality does not apply to quantum physics, but is there some (known) reason why the heisenburg uncertainty principle works? I know that if we try to measure one property, other properties become less precise, but why does that happen? I read something about it having to do with the Shroedinger wave function, but I couldn't really make head or tail of it.

ok, i dont watch it myself, but my dad is a trecky and so iv seen a couple of episodes, and i always wonder how true to actual quantum theory all the stuff that they spout is? i mean, i saw one episonde where worf (or whatever his name is, that big clingon dude) died, but then his second heart kicked in and he came back to life, and as a biologist i could argue that the chance of an alien species evolving that was prettymuch identical to a human in apperance with the exeption of a few wierd gill-like facial ridges is slim, but on the other hand the humanoid shape is a very good one so i suppose its not that unbelievable, and i suppose that theres no reason that a seco…

I was wondering if it's possible that the laws that govern the quantum world are exactly the same as the laws that govern the world that we see. I know that the conventional laws of physics are almost completely turned around at that size, but I find it hard to comprehend having two sets of rules for the same area of space. It seems to me that physical formulae could be missing sections that take quantum mechanics into account, like a factor that shrinks exponentially as the size of the area you are describing increases. Or perhaps I'm just asking for the universal formula .

Okay, I know that high power lasers with long wavelengths are the ones that generate the stereotypical high temp cutting beams (red lasers) but what is it that shorter-wavelength (blue - UV) beams do? I know, I know, I'm a physics moron.

Shouldn't there be a law that says not to create a black hole? We might be screwed people! Check this out! and let me know what you think.---->http://news.bbc.co.uk/2/hi/science/nature/4357613.stm

We know that there're no physically meaningful temperatures below absolute zero or zero-point energy. At the zero-point energy there is a singularity. It can be shown from the laws of thermodynamics that the temperature can never be exactly absolute zero; this is the same principle that ensures no system may be 100% efficient, although it is possible to achieve temperatures arbitrarily close to it. I was wondering whether the same laws apply to high temperatures. Basically temperatures becomes physically meaningless higher than Planck's temperature at 1.41679 × 1032 K (that's a very high temperature we'll never reach). In fact we have discovered the quark-gluon plasma…

I just came across this Von Neumann's fifth postulate I've never heard of this before. Does anyone know about this? If the answer is yes, I would much like to discuss it with you. Regards

Hey I'm Kristine & I was watching a show last night. It was called NOVA (It's about science), which this eposide aired on channel: #50! It was on Quantum Physics / Quantum Mechanics. Which was problly over my head, considering that I'm in the 10th grade & am currently taking an Earth Science Class. Well anyways I had a few questions, because I was a little hard for me to understand, and a little ing too! Well, I thought you help clairify them for me! 1.) How can string theory be science, if it can't be proven like any other theory is? 1a.) Is it science or is it just a palosaphy? 2.) How can the Laws of the Large & the Laws of the small ( gravity &…

Rather we like it or not, light speed is only constant for all proison (sp?) matter, and since certain types of light do actually break the barrier, I was wondering if sound can do the same. I propose a thought experiment, suppose we get hydrogen, I was thinking that perhaps we can apply tremedous heat and pressure to the gas until it is super hot, but since there is tremendous pressure, the gas should still be solid. Now, if we are to produce a sound into the block, can that sound wave travel faster than light if the block of hydrogen is hot enough?

I was pondering to myself the other day, and it started to make me wonder. What the heck is the 5th dimension? I'm assuming it goes from: Length Width Height Time ??? In that order. Is it possible to have more than 4 dimensions? Am I out of my league? What about airline food? What's up with THAT!!!

I thought this was a cool site. Check this out http://stardrivedevice.com

I was reading the thread entitled "photon frequency" and I now have the following question: Is photon frequency a frame dependent quantity, and if so what is the formula which discusses how f transforms? I expect to see a discussion of the Doppler effect, but I really don't know what kind of answers I will get. Suppose that the frequency of something is f0 in it's rest frame. What is its frequency in a frame in which it is moving with speed v? For example, let there be a pendulum swinging inside of a spaceship. Let the time it takes for the pendulum to go back and forth once, be amount of time T, which we can call the period of this pendulum. So this am…

If we shine a flash light, aren't we traveling at C relative to the beam of light shot out from the flash light? So just how does that time diliation equation stuff work?

I just finished watching What the Bleep Do We Know. There was that one scene in which the kid playing basket ball said of the ball that, before we observe it, it was in a state of superposition - that is, it was in a whole array of different positions (or, more accurately, its exact position was undefined). It was only upon observing the ball that it "collapses" into the position we see it in. Now, they made this out to seem like it was exclusively our perception of the ball that causes this collapse. But it leads me to wonder if there are other kinds of interactions that can lead to collapse, interactions that can go on outside the scope of our perception. For instan…

In the 2001 Guinness book of World Records, they report that Scientists had successfully teleported a Photon Atom. Basically by taking 2 atoms that are in no way near each other but somehow causing the other to take on the exact physical attributes as the other by messing with a 3rd atom to cause the whole process. I forget all the details. Anyway, has anyone else heard of this and are there any links to read more about the experiment. Also, what implications could this have for us. If I find my book, I will Quote exactly what it said.

do photons have mass? i always assumed that since they have no rest mass, they have no mass. i wanted to find out so i did a little math. i took [math]E=hf[/math] and [math]E^2=m^2c^4+p^2c^4[/math] and put them togather. i got [math]m=\frac{hf}{{c^2}{(1+c^2)^{\frac{1}{2}}}}[/math]. when i solved, i found that the mass was zero. i took a closer look and saw that that wasn't true, for if i put 0 in for m, the photon would have 0 energy. then i decided to put in a stupidly high value for the frequency and i found it DID have mass. it is just so close to 0 at normal frequencys that you don't need to worry about it. i decided to pick a mass and find the frequen…

There wsa no thing like time before there were humans and I think that time is just something that we created that makes us feel like we have better control the world arounds and makle sence of it. So do you Agree or Disagree with this and if so why?

By saying that entangled pairs are no longer entangled at encoding/decoding (Or any other means of disruption whatsoever), as a lot of you are saying at different threads, you are bassicaly saying that entanglment is nothing more then two particles born with the same properties. And, by that you are dismissing the whole notion of entanglment. That kind of contradicts the whole meaning of 'entanglment'. It makes an entangled pair nothing more then 2 particles with the same properties somewhere in the universe. (Sorry for repeating my self) A question: Does interfering with the first entangled particle causes the same interference in the second? Or for argument's sak…

Didnt really know where this thread should go, kinda related to physics but neways: Does anyone know the frequency range of a Xylophone? Also what are its typical waveforms? Thx