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The planet under pressure

By Anjana Ahuja   March 2012

Australia and South Africa are competing to host the world’s biggest radio telescope; the winner should be announced in March by the international project’s organisers, based at Manchester University. The Square Kilometre Array (SKA), comprising 3,000 separate dishes, will cost more than $2bn, although it’s not clear who will pay for it. Both countries see SKA as an opportunity for economic development; the South African government has already stopped Shell from drilling near SKA’s proposed site, to guard against communications interference.

More than 1m people are expected to take part in National Science and Engineering Week, from 9th-18th March (see,…

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