Unit cell: Difference between revisions

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{{Glossary}}
{{Glossary}}
A '''unit cell''' is a subset (usually rectangular or square) of the Life plane which tiles over the plane and has multiple states (distinct patterns) which simulate a cellular automaton, possibly itself. A '''unit Life cell''' is a unit cell that simulates the Game of Life. The cells themselves are usually not considered unit cells.
A '''unit cell''' is a subset (usually rectangular or square) of the Life plane which tiles over the plane and has multiple states (distinct patterns) which simulate a cellular automaton, possibly itself. A '''unit Life cell''' is a unit cell that simulates the Game of Life. To avoid single [cell|cells] themselves being considered unit cells, a unit cell must be greater than 1x1.


The first unit Life cell was constructed by David Bell in 1996 <ref>{{cite web|url=http://radicaleye.com/lifepage/patterns/unitcell/ucdesc.html|title=The Unit Life Cell|author=Paul Callahan|date=March 1, 1996}}</ref>. It employs standard glider logic to determine whether or not a glider should be present. The two states differ by a single glider. In 2004, Jared Prince modified David Bell's unit Life cell to support two (and therefore multiple) layers of Life universes, coined "Deep Cell" <ref>{{cite web|url=http://www.physicsforums.com/showthread.php?t=45061|title=Game of Life Deep Cell|author=Jared Prince|date=September 27, 2004}}</ref>.
The first unit Life cell was constructed by David Bell in 1996 <ref>{{cite web|url=http://radicaleye.com/lifepage/patterns/unitcell/ucdesc.html|title=The Unit Life Cell|author=Paul Callahan|date=March 1, 1996}}</ref>. It employs standard glider logic to determine whether or not a glider should be present. The two states differ by a single glider. In 2004, Jared Prince modified David Bell's unit Life cell to support two (and therefore multiple) layers of Life universes, coined "Deep Cell" <ref>{{cite web|url=http://www.physicsforums.com/showthread.php?t=45061|title=Game of Life Deep Cell|author=Jared Prince|date=September 27, 2004}}</ref>.

Revision as of 05:45, 26 March 2009

A unit cell is a subset (usually rectangular or square) of the Life plane which tiles over the plane and has multiple states (distinct patterns) which simulate a cellular automaton, possibly itself. A unit Life cell is a unit cell that simulates the Game of Life. To avoid single [cell|cells] themselves being considered unit cells, a unit cell must be greater than 1x1.

The first unit Life cell was constructed by David Bell in 1996 [1]. It employs standard glider logic to determine whether or not a glider should be present. The two states differ by a single glider. In 2004, Jared Prince modified David Bell's unit Life cell to support two (and therefore multiple) layers of Life universes, coined "Deep Cell" [2].

More recently, a unit cell was constructed that simulates any Life-like cellular automaton [3].

References

  1. ↑ Paul Callahan (March 1, 1996). "The Unit Life Cell".
  2. ↑ Jared Prince (September 27, 2004). "Game of Life Deep Cell".
  3. ↑ "OTCAmetapixel".

Unit Life cell at the Life Lexicon.