NASA's RS-25D space shuttle engines are downright incredible to behold

Remember the picture of the Pratt Whitney Rocketdyne engines that looked an awful lot like a band of Daleks in disguise? That picture may have done a good job of making space shuttle engines look like a bunch of malevolent cyborgs, but there wasn't really anything in the photo to give you a sense of just how… » 1/18/12 1:45pm 1/18/12 1:45pm