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Comment Re:Why do I have a hard time believing this ? (Score 3, Interesting) 116

The type of laser you'd put up in orbit to get rid of orbital debris would only be good for taking out objects in orbit. It wouldn't have any utility in attacking ground-based installations, because the beam would scatter.

Now, it *could* be used against space stations and space vehicles, I'll grant that.

Comment Re:Why do I have a hard time believing this ? (Score 4, Interesting) 116

Problem is, Thor is hilariously expensive. Doing some basic calculations, each kinetic rod strike (given the figures listed on Wikipedia) has an impact energy of around 10 tons of TNT. For the same cost of launching that amount of tungsten into orbit on the cheapest launcher available, you could buy 10 KT worth of JDAM with GPS guidance packages. Plus, the instant you launch it, everybody knows you have it- that plasma sheath is not exactly subtle, and radars would pick it up. Hard to pass off an object arriving at Mach 10 as "stealth bomber" without admitting that A) Project Thor is a Thing, or B) Aurora never got retired.

Comment Re:Too bad (Score 2) 467

I don't know about the TWR design, but the pebble bed reactor design basically put flecks of uranium oxide inside graphite balls and use that to generate heat. That heat goes through the wall of the vessel they're contained in, heating the water, which turns the turbine. If there's a failure in a pump somewhere, you drain the primary coolant loop and leave the pebbles. There's no way the heat of the uranium could cause any sort of problem, and because there's no water anymore, you can't get an explosion.

Comment Re:Other Motivation? (Score 2, Informative) 101

They're doing some crazy testing to make sure that it won't interfere. They're not going to deploy a technology that could take down the entire US without making damn sure it won't. Besides, Garmin's guys are the ones saying it'll mess everything up- testing sponsored by LightSquared shows that is has a small effect, if any. I don't think they'd bias the tests- most of those labs, if not all, are good labs.

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