Switch engine ping-pong: Difference between revisions

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'''Switch engine ping-pong''' is a [[quadratic growth]] pattern that was found by [[:Category:Patterns found by Michael Simkin|Michael Simkin]] on October 29, [[:Category:Patterns found in 2014|2014]].<ref>{{Cite web|url=http://www.conwaylife.com/forums/viewtopic.php?p=14050#p14050|title=Re: 23 cells quadratic growth (new record)|author=Michael Simkin|date=October 29, 2014|accessdate=October 30, 2014}}</ref> In terms of its [[:Category:Patterns with 23 cells|23]] cells it is the smallest currently known quadratic growth pattern, superseding the previous record holder, [[24-cell quadratic growth]], also found by Simkin a week earlier.
'''Switch engine ping-pong''' is a [[quadratic growth]] pattern that was found by [[Michael Simkin]] on October 29, {{year|2014}}.<ref>{{Cite web|url=http://www.conwaylife.com/forums/viewtopic.php?p=14050#p14050|title=Re: 23 cells quadratic growth (new record)|author=Michael Simkin|date=October 29, 2014|accessdate=October 30, 2014}}</ref> In terms of its {{cells|23}} cells it is the smallest currently known quadratic growth pattern, superseding the previous record holder, [[24-cell quadratic growth]], also found by Simkin a week earlier.


It is the first such pattern found that uses only 2 [[switch engine]]s.
It is the first such pattern found that uses only 2 [[switch engine]]s.

Revision as of 03:39, 28 December 2019

Switch engine ping-pong
Switch engine ping-pong image
View static image
Pattern type Breeder
Number of cells 23
Bounding box 210515 × 183739
Direction Diagonal
Period 2326656
Speed c/12
Discovered by Michael Simkin
Year of discovery 2014

Switch engine ping-pong is a quadratic growth pattern that was found by Michael Simkin on October 29, 2014.[1] In terms of its 23 cells it is the smallest currently known quadratic growth pattern, superseding the previous record holder, 24-cell quadratic growth, also found by Simkin a week earlier.

It is the first such pattern found that uses only 2 switch engines.

  • Generation 40,210,710,958,656, viewed at a scale of 236:1.
    Generation 40,210,710,958,656, viewed at a scale of 236:1.
  • Generation 40,210,710,958,656, viewed at a scale of 213:1; zooming in on the left corner of the "solid triangle" reveals that it is in fact made up of branching "lines".
    Generation 40,210,710,958,656, viewed at a scale of 213:1; zooming in on the left corner of the "solid triangle" reveals that it is in fact made up of branching "lines".
  • Generation 40,210,710,958,656, viewed at a scale of 1:1; zooming in further on the leftmost "branching point" reveals the structure of the "lines".
    Generation 40,210,710,958,656, viewed at a scale of 1:1; zooming in further on the leftmost "branching point" reveals the structure of the "lines".

References

  1. ↑ Michael Simkin (October 29, 2014). "Re: 23 cells quadratic growth (new record)". Retrieved on October 30, 2014.
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