Interview
Q 3:  Did Silicon Graphics technology play any role in this?
 
A 3: 
It certainly did. I remember the day I saw a key technology that Silicon Graphics provides, and that was the ability to display stereo imagery, using shuttered goggles, all in one monitor. Up until this time (in the mid 1980's), we had come up with this contraption with two monitors, one facing up, one facing toward you, with a half-silvered mirror and polarizing sheets, and all this stuff that allowed us to see in stereo -- but on two monitors. And computer monitors are subject to nonlinearities and distortions of images due to the Earth's magnetic field or internal oddities. And it's important that the right and left images are distorted the same, and it's almost impossible to do. I saw a demo of the Silicon Graphics technology, I realized it would solve our problem and we'd get much better accuracy in our stereo ranging. So I said, "I must have that," and we switched over to Silicon Graphics. We've been using them ever since, very successfully.
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