What to watch
- The gun has period 120.
- The starting pattern contains 36 live cells in a 33 x 21 bounding box.
- It is a good comparison with the period-30 Gosper glider gun.
Guns
Simkin glider gun
A compact true glider gun discovered by Michael Simkin in 2015.
The Simkin glider gun gives readers a modern counterpart to the Gosper gun: still recognizable, but much newer and based on a compact double-barreled construction.
Simkin glider gun is a modern compact gun
The Simkin glider gun is a period-120 glider gun found in 2015. It is useful beside the older Gosper gun because it shows a newer compact construction with a different period.
Guns36 cells33 x 21 boxperiod 120
- Category
- Guns
- Period
- 120
- Movement
- bounded
- Population
- 36 cells
- Bounding box
- 33 x 21
- Known since
- 2015
How to use it
Use it on gun comparison pages for readers who want a small or modern glider-gun example.
Open the pattern in the lab, reduce the speed, and use single-step mode when a phase change is hard to see. The green preview marks births in the next generation; red outlines mark live cells that will die.