Extremely impressive

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Extremely impressive
Extremely impressive image
Pattern type Oscillator
Number of cells 30
Bounding box 12×10
Period 6
Mod 6
Heat 4
Volatility 0.31
Strict volatility 0.31
Discovered by David Buckingham
Year of discovery 1976

Extremely impressive is a period 6 oscillator that was found in August 1976 by David Buckingham.[1] A variant of this oscillator with a slightly larger stator can be synthesized from 30 gliders.

Despite the initial appearence of the oscillator, it is in fact not a billiard table configuration - a "wall" that appears to be a part of the stator is briefly broken and immediately repaired over its course.


  1. Dean Hickerson's oscillator stamp collection.

External links

  • 30P6.4 at Heinrich Koenig's Game of Life Object Catalogs