First Programmable Quantum Computer Created

Its simple you fool...
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Understand?
me neither

duh!

the first that comes to mind is, since the quantum computer entangles particles with each other no matter how far away from each other they may be at any given point in the universe, this allows for instant communication, faster-than-light messaging. Sending information just an instant into the future to arrive to the other computer at exactly the same moment it's being typed. and once that other computer observes the message, the wave-form of the message collapses into the particle form so we can read it. this may sound odd, being more than one representation of itself, but extra-dimensions allow for that.

So let me get this straight: we can send messages to one another - INSTANTLY - regardless of where we are in the known universe?

So, let's say we theoretically build a colony on Europa (because we might be interested in the oxyen-rich oceans, and we found some fish to feed us as well), and we could send messages across the solar system... if someone on that colony sends a message to someone on Earth, the person receiving the message gets it at the exact moment the sender clicks "send"?

Basically...our reality isn't so cut and dry as we all like to think it is. Take for example the common model of the atom. We all get the instruction that its sort of like a solar system with protons and neutrons bunched together with the electrons spinning around in nice little orbits like planets...but that isn't accurate at all. The orbits are more like shells...where the electrons have a higher probability of being located there as opposed to elsewhere...but where they are at any given moment...we just can't possibly know.

It's through trying to understand the nature of probabilities and unknowns that we can hope to better model what our reality is. Its a common held notion that quantum physics stuff is just used in the classroom or just by theorists...but we actually use it everyday. This simplest example I can think of is a cell phone. Chances are, your cell phone has a GPS system in it. For it to work, it has a clock in it. It sends information about where you are to a satellite up in space, which also has a clock. Now if both of this clocks were set up to agree at the same time on the earth, and then the GPS satellite was sent up...rather quickly the GPS satellite would become inaccurate and useless because time moves at a different rate for us at the surface of the earth than it does in orbit. Its not a big different...but it will get worse and worse till the point that it is useless. This is due to the effect that the earth's gravity has on time. It is only through quantum physics that we understand how this occurs and how to correct for this error adding up over time.

So what does this have to do with a quantum computer? Well it will help us model more realistic programs to simulate what occurs in reality. Current programming language is limited to yes, no, or simple probability of the two. This should allow us to describe things better. Few things can be isolated well enough that a simple model will describe everything. I'm not sure if I have helped at all (I am a mechanic engineering student...so yeah...this is not my forte).

Well the article linked in the post is not very helpful in explaining how the quantum computer works so that will not be a big help to you. Anyways, the reason that a quantum computer is more efficient than a classical computer that relies on simple transistors that can be switched on and off is that a quibit can be on, off, and a superposition of both. Also, while a classic computer can only be in one state at one time and quantum computer can be in many states at once. This allows for parallel processing of information

I still don't understand this whole thing! sorry if I'm totally not tech-savvy...