Difference between revisions of "Lightweight spaceship"

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The '''lightweight spaceship''' (or '''LWSS''' for short or '''small fish'''<ref>{{CiteLexicon|file=lex_s.htm#smallfish|name=Small fish|accessdate=June 10, 2009}}</ref>) is the smallest orthogonal [[spaceship]], and the second most common spaceship (after the [[glider]]). It moves at speed [[c/2 orthogonal|c/2]] and has [[period]] [[:Category:Spaceships with period 4|4]]. It was found by [[John Conway]] in [[:Category:Patterns found in 1970|1970]].
The '''lightweight spaceship''' (commonly abbreviated to '''LWSS''') or '''small fish'''<ref>{{CiteLexicon|file=lex_s.htm#smallfish|name=Small fish|accessdate=June 10, 2009}}</ref>) is the smallest orthogonal [[spaceship]], and the second most common spaceship (after the [[glider]]). It moves at speed [[c/2 orthogonal|c/2]] and has [[period]] [[:Category:Spaceships with period 4|4]]. It was found by [[John Conway]] in [[:Category:Patterns found in 1970|1970]].


==Commonness==
==Commonness==

Revision as of 15:01, 4 July 2016

Lightweight Spaceship
bo2bo$o$o3bo$4o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ TRACKLOOP 4 -1/2 0 THUMBSIZE 2 GPS 4 ]]
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Pattern type Spaceship
Number of cells 9
Bounding box 5 × 4
Direction Orthogonal
Period 4
Mod Unknown
Speed c/2 | Unknown
Heat 11
Discovered by John Conway
Year of discovery 1970

The lightweight spaceship (commonly abbreviated to LWSS) or small fish[1]) is the smallest orthogonal spaceship, and the second most common spaceship (after the glider). It moves at speed c/2 and has period 4. It was found by John Conway in 1970.

Commonness

Random soups investigated by Achim Flammenkamp emitted one LWSS for approximately every 615 gliders.[2] The LWSS is also the eighteenth most common object on Adam P. Goucher's Catagolue.[3]

Tagalong

In April 1992, David Bell found a tagalong for two lightweight spaceships (or two middleweight spaceships or two heavyweight spaceships). It can be extended indefinitely by attaching it to the back of itself. Interestingly, a hivenudger with symmetric rear (that is, both rear spaceships being of same "weight") can pull this tagalong.

Tagalong for two lightweight spaceships
Download RLE: click here

See also

References

  1. ↑ "Small fish". The Life Lexicon. Stephen Silver. Retrieved on June 10, 2009.
  2. ↑ "Spontaneous appeared Spaceships out of Random Dust". Achim Flammenkamp (December 9, 1995). Retrieved on August 18, 2011.
  3. ↑ Adam P. Goucher. "Statistics". Catagolue. Retrieved on June 24, 2016.

External links

Template:LinkWeisstein

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