Joel Orr's World

Quantum bits, or qubits, are the quantum equivalent of the transistors that make up today’s computers. In order to carry out the logic of computing, there must be some way to represent the 1s and 0s of computer information. The many candidate qubits all have one thing in common - the ability to switch from one state to a second state. These states are used to represent binary information.

Qubits use properties of one of four types of quantum particles: photons, electrons, atoms and ions. Photons do not interact with each other very well but they travel easily from one place to another, which makes them appropriate for transmitting quantum information. Electrons, atoms and ions don't travel well but readily interact, which makes them appropriate for storing and processing quantum information.

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