by 
senthil
ANSWERS: 2
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Um... I read something in New Scientist recently about how they are experimenting in making photons react with each other, which is very hard to do, but if they manage they will be able to give light material-like properties. Which will be exciting and open up a whole world of ideas for quantum computing. Other than that I don't think I'm really suited to answer. Sorry.
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http://www.dwavesys.com/ claims they have built a 16-qubit quantum computer which will be unveiled later this month. A qubit is a quantum bit. By 16-qubit they don't mean 16 at a time, as in a 16-bit microprocessor, but 16 *in total*. The announcement is believable, as a quantum computer with seven qubits that can factorize the number fifteen into its factors three and five using a quantum algorithm has already been demonstrated in July 2001. The same process can be used to factorize the large numbers that are used in cryptography, breaking the code. 128-bit encryption can be broken with less than 1000 qubits.
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