On Thu, Nov 29, 2012 at 11:00 AM, "Dan Minette" <danmine...@att.net> wrote:
snip > I was basically asking if you've been around the block. That's not an appeal > to authority, just the result of the observation that folks who've walked > the walk are more likely to be accurate the next time they talk the talk > than folks who never walked the walk. It's not hard to find out what I have done, http://en.wikipedia.org/wiki/Keith_Henson > I did look at high energy lasers, and the person who wrote > > http://www.rp-photonics.com/high_power_lasers.html > > Looks like he has worked with high power lasers. One notes that high power > is 5 kWatt, and the many caveats for use at that energy. These http://www.as.northropgrumman.com/products/vesta/ are 15 kW and have been ganged to over 100 kW. Getting to the GW level (out in space no less) is just a matter of having a lot of money to buy lasers and haul them out there. snip > So, I won't say never to power satellites, but > I'd saw it's probably three black swans away....and they have to be just the > three black swans we need. If you have a better way to get humanity off fossil fuels, don't keep it to yourself. Make a good case that it's cheaper and I will support that instead of working on power satellites and laser propulsion. Keith _______________________________________________ http://box535.bluehost.com/mailman/listinfo/brin-l_mccmedia.com