NBCNews.com: Technology & Science: World's largest solar sail to launch in 2014

NBCNews.com: Technology & Science NBCNews.com is a leader in breaking news and original journalism.

World's largest solar sail to launch in 2014 Jan 31st 2013, 22:35 The largest solar sail ever constructed is headed for the launch pad in 2014 on a mission to demonstrate the value of "propellantless propulsion"— the act of using photons from the sun to push a craft through space. Media files: 130131-SailPhoto-hmed-0210p_files.thumb.jpg

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