Nihonium

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Nihonium
x = 58, y = 37, rule = B3/S23 42b2o$42b2o5b2o$49b2o$13b2o$14bo$13bo33b2o$13b2o32b2o$53b2o$2o51b2o$b o$bob2o$2bo$14b2o$4bobo8bo$5bo7b3o$6bo46bo$3b4o45bobo$2bo49bobo$2b2ob 2o44b2ob2o$3bobo49bo$3bobo45b4o$4bo46bo$42b3o7bo$42bo8bobo$42b2o$55bo $53b2obo$56bo$3b2o51b2o$3b2o$9b2o32b2o$9b2o33bo$43bo$43b2o$7b2o$7b2o5b 2o$14b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ LOOP 113 GPS 14 THUMBSIZE 2 HEIGHT 320 ZOOM 8 ]]
Pattern type Oscillator
Number of cells 106
Bounding box 58 × 37
Period 113
Mod 113
Heat 43.2
Volatility 0.93
Strict volatility 0.93
Discovered by Jeremy Tan
Year of discovery 2021

Nihonium[note 1] is a period-113 oscillator, found by Jeremy Tan on July 5, 2021.[1][note 2] It was the smallest known oscillator of its period until the discovery of 86P113 in October 2022. It is an emu comprised of two R64 and two R49 conduits populated with two Herschels whose first natural gliders annihilate each other; both Herschels must be present for the oscillator to work, but one Herschel may be advanced in time to yield a period-226 oscillator, the least-populous of them at 107 cells called nihonium*.

x = 58, y = 37, rule = B3/S23 42b2o$42b2o5b2o$49b2o$13b2o$14bo$13bo33b2o$13b2o32b2o$53b2o$2o51b2o$bo $bob2o$2bo$14b2o$4bobo8bo$5bo7b3o$6bo46bo$3b4o45bobo$2bo49bobo$2b2ob2o 44b2ob2o$3bobo49bo$3bobo45b4o$4bo38bo7bo$42b2o7b2o$41bo2bo7bo$42b2o$ 54b2o$54bobo$56bo$3b2o51b2o$3b2o$9b2o32b2o$9b2o33bo$43bo$43b2o$7b2o$7b 2o5b2o$14b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 400 WIDTH 720 THUMBSIZE 2 ZOOM 10 GPS 14 AUTOSTART LOOP 226 ]]
Nihonium*, the smallest-known period-226 oscillator
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RLE: here Plaintext: here
Catagoluehere

A 52-glider synthesis was found for nihonium on the day of its discovery.[3] On July 23, 2023, KtT reduced the synthesis cost from 50 gliders down to 49 gliders.[4] On August 16, 2023, Chris857 reduced the synthesis cost down to 48 gliders.[5][6] On February 4, 2024 he reduced the cost to 46 gliders.[7][8]

See also

Notes

  1. Named after the element with atomic number 113, which in turn is named after an alternative name for Japan.
  2. An independent but incomplete attempt to construct a Herschel loop with two R49 and two R64 was made by PHPBB12345 dated back to 2019.[2]

References

  1. Jeremy Tan (July 5, 2021). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
  2. PHPBB12345 (October, 2019). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
  3. Jeremy Tan (July 5, 2021). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
  4. KtT (July 23, 2023). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
  5. Chris857 (August 16, 2023). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
  6. shinjuku (#4880764226) (August 16, 2023). Job triggered by Adam P. Goucher at GitLab Catagolue project.
  7. Chris857 (February 4, 2024). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
  8. shinjuku (#6092681114) (February 5, 2024). Job triggered by Adam P. Goucher at GitLab Catagolue project.

External links