A quantum computer is a device for computation that makes direct use of distinctively quantum mechanical phenomena, such as superposition and entanglement, to perform operations on data. Traditional computers shuffle information in the form of binary numbers, the digits 1 and 0, which are remembered by the “on” and “off” positions of tiny switches, or “bits“, on the circuit boards. Quantum computers use atoms and subatomic particles as the switches that perform the memory and processing tasks. This is called “qbits” ((quantum binary digits). The basic principle of quantum computation is that the quantum properties can be used to represent and structure data, and that quantum mechanisms can be devised and built to perform operations with this data.

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Dell has released a new line of notebooks aimed at multimedia creators. The Studio laptops will sport a number of features designed for high-end multimedia users, such as an optional blu-ray drive and a high-resolution 17-inch screen.

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A new solid-state memory technology dubbed “racetrack” that offers 100 times the storage in the same space available on current hard disk drives and solid-state drives (SSDs) could be commercially available within a decade, according to Dr. Stuart Parkin and colleagues at the IBM Almaden Research Center in San Jose.

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