Engineering News 21 April 2011.

There seems to be little chance that oil giant Shell’s plans to prospect for shale gas in the Karoo Basin using the “fracking” method will have an impact on South Africa’s bid to host the square kilometre array (SKA) radio telescope…

http://www.engineeringnews.co.za/article/karoo-prospecting-cant-affect-ska-2011-04-21