Reagan, Star Wars, and the End of the Cold War

里根、星球大战与冷战的终结

作者: Aaron Swartz | 来源: aaronsw.com | 时间: 2007-03-13

It’s not hard to see why building technology to defend against nuclear missiles is tricky. First, there’s the obvious difficulty of shooting at a moving target — like a bullet shooting a bullet. Then there’s the fact that whatever device is defending you must itself be well defended, or else the enemy can simply take it out. And then there’s the nasty fact that with nuclear war, near-perfect defense is necessary — even a single failure can cause enormous damage.

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