[ExI] lasers

[Keith Henson]

http://www.lockheedmartin.com/us/news/press-releases/2014/january/140128-mst-lockheed-martin-demonstrates-weapons-grade-high-power-fiber-laser.html

Related, I have a 5 Mbyte power point file that I used to give a talk
on high throughput laser propulsion at the EUEC in Phoenix Tuesday.

If more than a few want so see it, I will figure out somewhere to post
it.  Or perhaps try to put it on Google drive.

Keith