Skylon, lasers and power satellites
Keith Henson <[email protected]> Wed, 11 Sep 2013 23:44:02 -0700
| Newsgroups | gmane.culture.sf.killerbs |
|---|---|
| Message-ID | <CAPiwVB6M9uz4ddvmy6xf-9EB4fnW61VbvPYY7d+dTe3Q8RPNLA@mail.gmail.com> |
http://nextbigfuture.com/2013/09/propulsion-lasers-for-large-scale.html#more