Let’s extend our idea below. Imagine a catapult that’s set to sling some projectile towards the distant horizon. Don’t worry about the projectile, it can be something largish like a Volkswagon or something a bit smaller than that like Ann Coulter’s adam’s apple. Anyway, the catapult is loaded. Now imagine that first pre-loaded catapult is itself loaded into a second catapult as the projectile. You see where I’m going here? If you are a real Popular Mechanics reader, not just some kind of pseudo-intellectual pretender, you are getting this already. You are already thinking about the third catapult, and the fourth, all firing the earlier catapult. Exciting idea, isn’t it? Say that first catapult energetically flings Ann’s adam’s apple at a speed of 250 MPH. Actually, let’s fling the rest of her too. So there goes Ann zinging away at 250. But if the catapult that flings her is itself flung at 250, we’ve now got Ann going a pretty respectable 500 MPH, horizonward. Trees, barns, cows, even small mountains blurring past below. Add a third, shooting the second shooting the first and those cows won’t even have a chance to notice her (for which we now have a damned good reason to envy cows) moving at 750. And a fourth, and a fifth and more. Of course, we’ve all read Einstein’s general theory and we understand that there’s a limit here. Once we get Ann going at 186,000 miles per second, that’s it. We can’t do any better. We frogapult her up to the speed of light and she hits the wall.
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