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Laser propulsion

RL — 2/20/2016 2:50:57 AM (archived)

http://www.deepspace.ucsb.edu/wp-content/uploads/2015/04/A-Roadmap-to-Interstellar-Flight-15-d.pdf
http://www.deepspace.ucsb.edu/wp-content/uploads/2015/04/A-Roadmap-to-Interstellar-Flight-15-d.pdf

video:

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The whole thread (4 posts)

Laser propulsion - RL - 2/20/2016 2:50:57 AM
- How do you keep the lasers focussed on the sail? - ER - 2/20/2016 2:35:10 PM
  - wouldn't be easy - RL - 2/20/2016 4:16:45 PM
    - The reflected light from the sail wouldn't be much help. - ER - 2/20/2016 7:05:45 PM

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