Kickback reaction
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| Kickback reaction | ||
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| View static image | ||
| Pattern type | Miscellaneous | |
|---|---|---|
| Number of cells | 10 | |
| Bounding box | 8 × 5 | |
| Static symmetry | Unspecified | |
| Discovered by | Unknown | |
| Year of discovery | Unknown | |
The Kickback reaction is a collision of two gliders resulting in a single glider travelling in the opposite direction to one of the original gliders. This is important in the proof of the existence of a universal constructor, and in Bill Gosper's total aperiodic, as well as a number of other constructions.