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Tag archives: cosmology

Old-school cosmological calculations

By Tushna Commissariat

Image of a calculator

Doing away with complex calculations? (CC-BY-2.0/Boaz Arad)

The next time you need to quickly convert the redshift of some distant cosmic object to parsecs or kilometres, and find that your laptop and phone have both run out of charge (the horror!), the “Paper-and-pencil cosmological calculator” might be just the thing for you. More of a chart than a “calculator”, the new table – that is based on the ΛCDM cosmological model of the universe – has been drawn up by Sergey Pilipenko from the Lebedev Physical Institute in Moscow. And here’s the best bit – all the parameters that Pilipenko has plugged into his table are from the latest Planck results unveiled last month.

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Listen to the sound of the Big Bang

By James Dacey

Hearing the Big Bang
Planck data used to represent the sounds of the early universe
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It sounds like a Kraftwerk track, but this is in fact an audio representation of the Big Bang based on scientific measurements. The physicist John Kramer has produced the sounds using the new data from the ESA’s Planck Mission analysis of the cosmic microwave background (CMB) radiation.

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String theorist bags $3m Fundamental Physics Prize

By Hamish Johnston

Alexander Polyakov

Alexander Polyakov has something to smile about. (Courtesy: Technion University)

The string theorist Alexander Polyakov has won the 2013 Fundamental Physics Prize. The $3m prize is awarded by Milner Foundation, which is funded by the Russian entrepreneur Yuri Milner and was inaugurated last year.

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