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Posted 19 Aug 2012Thankyou JackOfAllTrades, that was incredibly accurate and useful information. Everything works as expected.
Posted 19 Aug 2012Hi Acrene, you could start by downloading a webserver. I would recommend apache webserver. If you read the documentation that comes with it will tell where to put you website files and how to edit the config files of the server. It's quite intuitive to understand. I have apache2 on linux and that is all i'm used to so it could be different if your using windows.
Posted 4 May 2012DWave have been developing there computer for a long time now. On their home website you can find the lectures from David Deutsch explained briefly how to go from quantum mechanics to quantum information and computing. However, I have found that some experts and academics are skeptical of the capabilities of their device as it is not clear as to how they achieved what they claim...
Because of the continuum of states that a quantum particle can be in, ie anywhere between spin -0.5 (0) and spin +0.5 (1) but never there at a defined instant in time. When there are a system of quantum particles, let's say two, that's what constitutes the qbit. This is where the physics becomes really weird and counter-intuitive, as both states of each particle, if controlled properly, can be correlated, which is called Entanglement. This means, that these particles have effectively encrypted the information.
The way that the information is retrieved is even more confusing, please refer to a text book on Quantum Information! Essentially it has to do with the quantum effect of measurement. When a user makes a measurement of someone elses entangled qbit, they destroy it! And the other person never has to make a measurement on that qbit, so all is well!
These are all amazing things, but they are actually incredibly difficult to realize. The DWave processor that I know of takes up a 10 m squared room, which is mostly just cryogenic systems that help keep that quantum particles in their desired positions and states at less than 5 Kelvin.. They have documentation on some of the functional principles but it is mostly snippets of mathematical derivations based on experiments that are not documented or described in any way. And the best they can do with that reliably at the moment are simple calculations.
The greatest problem to overcome for Quantum Computers to become a reality is the ability to control single quantum particles (quantum dots) and make circuitry that can interface these particles effectively.
There is a lot of work to do!
Posted 4 May 2012Hi Jim
The device I am using is part of a circuit board that my university's comp interfacing staff has designed. I will be using a LPC2388FDB144 processor programmed in C to make the time measurements and write to the USB device. I have a choice to access the control bits of a ISP1301BS USB controller
The setup is as follows: A phototransistor will provide a voltage pulse to a Dedicated comparator with a variable reference voltage. The output of the comparator will be fed directly as a single bit to
a digital input on the processor, at which point the processor clocks and timers are used to make a time measurement based on any previous pulses received. The time measurement should then be stored, and
when possible, written to a USB port for my computer receive thereafter.
The writing to the device I am not clear on, my intention is to try continually writing on the same USB port (one of 127), is that emulating a serial operation?
Posted 30 Aug 2011In terms of 'managing' the original code, it is faulty because strlen is really a C function
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