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Space dust is a part of a spaceship or oscillator that looks like a random mixture of alive and dead cells. It is usually very difficult to find glider syntheses for objects that consist wholly or partly of space dust.
- David Buckingham, an incomparable glider synthesis expert, has described spaceships which, like the Spider, can be found by search programs but don't occur naturally, as "spacedust". By this he meant: inconstructible. The task of constructing such a spaceship has been likened to building a Formula-1 race car whilst it's on the track and travelling at 200mph. I'm paraphrasing, because I can't remember the exact quote or who wrote this but I'm sure that you get my drift.
- — Paul Tooke (2010)
- Dave Greene (January 17, 2018). Re: Famous Quotes (discussion thread) at the ConwayLife.com forums