qubits and such

The ominous promise of a quantum computer able to factor large primes is often cited as the end of the road for cryptographic systems based in number theory, that is all forms of public key cryptography. To gain some perspective on the probabilities that a practical quantum computer with such capacity be around the corner, I have compiled a list of links related to the most promising technologies being developed in labs around the world.

A very nice graphical representation of the concepts of qubit and entanglement can be found here.
Detailed description of the trap technique (also here).
Developments on Quantum dots at Delft.
A recent survey of quantum algorithms.
IBM’s famous Quantum Information Group.
A quantum communication bus.
News from Nature blog.

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