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Two Steps Forward for Quantum Computers

Two sets of researchers into quantum computing have announced very different sets of results. One claim they've already achieved more powerful performance than a traditional computer, while the others say they've confirmed the potential for ... performing genuinely useful tasks. Quantum computing aims to take advantage of the way particles can exist in more than one state at a time. That compares with traditional computers which store data in bits, each of which is either a 0 or a 1. In principle at least, a quantum computer could be made up of "qbits" and perform calculations dramatically faster ... (view more)

John Lister's picture

Smartphone and PC Shipments Slump

The market for smartphones, tablets and PCs will shrink for a second straight year according to a newly-published forecast. The phone slump could mean the lowest number of units leaving manufacturers since 2009. Gartner, which produced the figures, ... says factors behind the trend include the economy, changing consumer behavior, and a lack of innovation. The forecast isn't for sales but rather shipments: that is, the number of devices which manufacturers send to retailers. It's affected by both recent sales and forecast for future sales. For example, shipments may drop if retailers have a ... (view more)

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