Ellison p4 HW emulator
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| Ellison p4 HW emulator | |||||||||
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| Pattern type | Oscillator | ||||||||
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| Family | Emulator | ||||||||
| Number of cells | 54 | ||||||||
| Bounding box | 24 × 9 | ||||||||
| Period | 4 | ||||||||
| Mod | 4 | ||||||||
| Heat | 31 | ||||||||
| Volatility | 0.60 | ||||||||
| Strict volatility | 0.53 | ||||||||
| Discovered by | Scot Ellison | ||||||||
| Year of discovery | 2010 | ||||||||
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Ellison p4 HW emulator (where "HW" stands for heavyweight) is a period-4 oscillator that was found by Scot Ellison in April 2010. Numerous variants of this oscillator have been found, including some producing different types of sparks, as shown below.
Gallery
| Ellison p4 HW emulator hybrid as seen in the period-36 glider gun,[1] with one half resembling a more traditional heavyweight emulator (click above to open LifeViewer) RLE: here Plaintext: here |
Blocked p4s
| Blocked p4-1 acting as a middleweight emulator, found by Adam P. Goucher on April 5, 2010 (click above to open LifeViewer) RLE: here Plaintext: here |
| Stator reduction of blocked p4-1, by Matthias Merzenich (click above to open LifeViewer) RLE: here Plaintext: here |
| Blocked p4-2 acting as a lightweight emulator, by Adam P. Goucher (click above to open LifeViewer) RLE: here Plaintext: here |
| Blocked p4-3, also known as an "underweight emulator",[note 1] by Adam P. Goucher. Used in p124 lumps of muck hassler, p32 blinker hassler 1 and 2, and p44 traffic light hassler (click above to open LifeViewer) RLE: here Plaintext: here |
| Blocked p4-4, a middleweight emulator hybrid by Merzenich. Used in the p48 pi-heptomino hassler and the pi orbital (click above to open LifeViewer) RLE: here Plaintext: here |
| Blocked p4-5, a lightweight emulator hybrid by Merzenich. Also an uncommon example of a toad being used as an induction coil (click above to open LifeViewer) RLE: here Plaintext: here |
T-noses
| Blocked p4 T-nose, by Adam P. Goucher (click above to open LifeViewer) RLE: here Plaintext: here |
| Blocked p4 T-nose hybrid, by Merzenich (click above to open LifeViewer) RLE: here Plaintext: here |
Notes
- ↑ Although a so-called "underweight spaceship" does not produce any sparks, the blocked p4-3 is sometimes referred to as an "underweight emulator" due to the shortening of the oscillator by an additional cell beyond the lightweight version. The three-dot spark has also been referred to as the "obobo" spark[2] due to its RLE representation, in analogy to the obo spark.
References
- ↑ A plethora of p4 hasslers at Game of Life News. Posted by Adam P. Goucher on January 3, 2011.
- ↑ David Raucci (October 23, 2021). Message in #cgol on the Conwaylife Lounge Discord server
External links
- Ellison p4 HW emulator at Adam P. Goucher's Catagolue
- Ellison p4 HW emulator hybrid at Adam P. Goucher's Catagolue
- Blocked p4-1 (original) at Adam P. Goucher's Catagolue
- Blocked p4-1 (reduced) at Adam P. Goucher's Catagolue
- Blocked p4-2 at Adam P. Goucher's Catagolue
- Blocked p4-3 at Adam P. Goucher's Catagolue
- Blocked p4-4 at Adam P. Goucher's Catagolue
- Blocked p4-5 at Adam P. Goucher's Catagolue
- Blocked p4 T-nose at Adam P. Goucher's Catagolue
- Blocked p4 T-nose hybrid at Adam P. Goucher's Catagolue
Categories:
- Patterns
- Oscillators with 54 cells
- Periodic objects with minimum population 54
- Patterns with 54 cells
- Patterns found by Scot Ellison
- Patterns found in 2010
- Patterns that can be constructed with between 50 and 59 gliders
- Oscillators
- Emulator variants
- Oscillators with period 4
- Oscillators with mod 4
- Oscillators with heat 31
- Oscillators with volatility 0.60
- Oscillators with strict volatility 0.53
- Sparkers
- Sparkers with period 4
- Domino sparkers
- Strong sparkers