Physics World January 2014

Planck perspectives: examining our new cosmic map

In this month’s cover feature, Peter Coles from the University of Sussex in the UK examines the implications of the data of the cosmic microwave background obtained by Europe’s Planck satellite. There’s also a great article by science journalist Philip Ball, who looks at exactly why quantum computers are so fast – the speed is often put down to many calculations operating in parallel, but some theorists are not so sure. Meanwhile, Joshua Pearce from Michigan Technological University explains how physicists can contribute to open-source “appropriate technology” – devices that can be easily and cheaply built using materials and techniques available to people in developing nations.

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