AUDIO: Tweeting to a planet near youWhy is an artist about to sent tweets into space? Nathaniel Stern, associate professor at the University of Wisconsin, and Anu Ojha, Director of the National Space Academy in Leicester, explain.
Source: AUDIO: Tweeting to a planet near you (http://news.bbc.co.uk/today/hi/today/newsid_9720000/9720245.stm#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa)