Line of three: Difference between revisions

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Line 7: Line 7:
|bx          = 3
|bx          = 3
|by          = 1
|by          = 1
|symmetry    = D4_+1
|discoverer  = John Conway
|discoverer  = John Conway
|discoveryear = 1969
|discoveryear = 1969
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Some [[induction coil]]s such as [[G (induction coil)]], [[house]] and [[honeycombinator]] contain a line of three.
Some [[induction coil]]s such as [[G (induction coil)]], [[house]] and [[honeycombinator]] contain a line of three.


==In catalysis==
== In catalysis ==
Lines of three in the form of a [[c/2]] frontend are extremely versatile in [[Catalyst|catalysis]], as they can be catalysed by [[Eater 1]], [[Block]], [[Toad]] and [[Beehive push catalyst]]. This is exploited in virtually all [[conduit]]s, [[shuttle]]s and [[hassler]]s.


Lines of three in the form of a [[c/2]] frontend are extremely versatile in [[Catalyst|catalysis]], as they can be catalysed by [[Eater 1]], [[Block]] and [[Beehive push catalyst]]. This is exploited in virtually all [[conduit]]s, [[shuttle]]s and [[hassler]]s
== See also ==
 
* [[Test tube baby]]
==See also==
* [[Spark coil]]
*[[Test tube baby]]
* [[Amphisbaena]]
*[[Spark coil]]
* [[Hook line tub]]
*[[Amphisbaena]]
* [[Tub trans-line tub]]
*[[Hook line tub]]
* [[Krake]]
*[[Tub trans-line tub]]
*[[Krake]]


[[Category:Pattern naming]]
[[Category:Pattern naming]]

Latest revision as of 21:16, 21 August 2024

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Not to be confused with blinker.
Line of three
x = 1, y = 3, rule = B3/S23 o$o$o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 3 ZOOM 21 HEIGHT 400 SUPPRESS ]] #C [[ THUMBSIZE 3 ZOOM 63 ]]
Pattern type Still life component
Number of cells 3
Bounding box 3 × 1
Static symmetry D4_+1
Discovered by John Conway
Year of discovery 1969

A line of three[citation needed] is a three cell leading edge on an object or part of object.

A line of three consecutive cells can be a segment known as "line" in certain still lifes; the most basic of these being integral sign but can also be used to connect any number of pre-blocks, tubs, beehives, loaves, mangoes, hooks, claws, etc. together. One example is boat line hook.

x = 7, y = 7, rule = LifeHistory 5.A$4.A.A$3.C.A$3.C$.A.C$A.A$.A! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 450 WIDTH 600 THUMBSIZE 2 ZOOM 42 THEME LifeHistory ]]
The line of three (white) in tub trans-line tub
(click above to open LifeViewer)

It can also be seen in oscillators such as spark coil and test tube baby and other oscillators with the orthogonal on-off rotor.

x = 8, y = 5, rule = LifeHistory 2A4.2A$A.C2.C.A$2.C2.C$2.C2.C$3.2A! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 450 WIDTH 600 THUMBSIZE 2 ZOOM 42 THEME LifeHistory ]]
The line of threes (white) in test tube baby.
(click above to open LifeViewer)

Some induction coils such as G (induction coil), house and honeycombinator contain a line of three.

In catalysis

Lines of three in the form of a c/2 frontend are extremely versatile in catalysis, as they can be catalysed by Eater 1, Block, Toad and Beehive push catalyst. This is exploited in virtually all conduits, shuttles and hasslers.

See also