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Physicist Stephen Hawking sits on stage during an announcement of the Breakthrough Starshot initiative with investor Yuri Milner in New York April 12, 2016. REUTERS/Lucas Jackson TPX IMAGES OF THE......
Physicist Stephen Hawking sits on stage during an announcement of the Breakthrough Starshot initiative with investor Yuri Milner in New York April 12, 2016. REUTERS/Lucas Jackson TPX IMAGES OF THE......