Hawking, Zuckerberg unveil $10B plan to reach Alpha Centauri in 20 years | #Space  | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
From www.extremetech.com - April 14, 2016 8:40 AM
Breakthrough Initiatives has an ambitious new plan to use solar sail nano-satellites to reach an alien star