September 21, 2004
Going Up

Slashdot linked up this summary of recent developments in space elevator technology. It's still just a lot of talk, but it's a lot of talk coming from many more people and it's a whole lot more serious than it used to be.

It's also nice to see people actually debating private sector funding. In the past, a project of this scope would have only been an occasion for a bunch of lobbyists to huddle and try to find a way of prying the money out of the government. NASA stands out as a shining example of the limitations and inefficiencies of that method.

It would seem now is the first time in history we are wealthy enough to buy (if nothing else as part of a company) our own spacecraft. Risky? Absolutely. But the first group to field a system for lofting things into orbit at $1 per pound will effectively have a license to print money, and the efficiencies provided to all will literally transform the way we live. NASA couldn't be replaced in 1982 because nobody knew how to make money in space. Today, that is no longer a problem, and so privatization is much more than just a buzzword.

Stasists and technocrats around the country will be saying things like "this is too important to let the markets handle", which is of course merely an elitist shorthand for "this is too important to me to let the markets handle." Only the power of government can simply take money away from people and spend it on a project someone else thinks is a good cause. "It's my dream, and the only reason you don't see it is you're stupid, greedy, or ignorant. Give me your money anyway." The whole point of representational government is to give the people who have money a voice in the way it is spent. But the mechanisms aren't pretty, and even when they work they do so only poorly.

Far better to have people willingly come together and spend their own money reaching for the stars. Only then can the people providing the money be sure the people spending it are doing so wisely, and remove them easily if they are not. Only then can setbacks be seen as mere obstacles to be overcome, and not opportunities to prove the entire effort folly. Only then can we be certain what is finally accomplished can stand on its own, last beyond our years, and not simply be seen as a pinnacle, one small step, on a path never to be walked again.

Posted by scott at September 21, 2004 03:32 PM

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while I'm definitely excited about the possibility of pursuing something like this, I'm also a bit worried about letting the DoD run the thing and any potential disaster possibilities. Now, as I understand it, we're talking about the need to build a huge amount of incredibly long carbon nanotubes - and almost every single one of them needs to be perfect or your anchor goes spinning off into the cosmos and your cable comes down and devastates everything in it's path (yes, I'm pulling that from Robinson's Mars trilogy, but it seems legit) or you've wasted huge amounts of capital. The other problem is what would the DoD haul up there. I'm a big fan of having the best military out there, but I'm not so much of giving the DoD basically unfettered access. I can just see the wheels turning - see, what we do is we loft a bunch of bowling bowls into space. then, we drop them on (insert intractable dictator here). you get almost nuclear effects for pennies. Collateral damage? Well, yes, however, no American lives are risked - and so on...

Posted by: ron on September 21, 2004 05:11 PM

Actually, turns out Robinson got it wrong. I don't have the link at the moment, but if I find it I'll post it. Any rate, turns out nanotubes are a *lot* stronger than was thought when he wrote his trilogy, and also have different properties. Conventional (as it were) wisdom today is that, in the event of a failure, the tether would snap into many pieces, like dried spaghetti. What was left to fall to earth would mostly burn up in the atmosphere, and what didn't wouldn't be massive enough to do any damage. Plus the most likely site for the thing is in the pacific ocean at the equator, so the rotation of the earth would dictate a lot of it would fall into the sea.

I want my ticket to ride!

Posted by: scott on September 21, 2004 07:08 PM

good - now I feel better. let's starting cooking up the cable in the backyard. then all we need is a damn big slingshot and we've got it made

Posted by: Ron on September 21, 2004 08:01 PM
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