B35/S236
Glider and Spaceship Guns
Dean found a very simple gun based on two p68 oscillators:
The p68 can also eat gliders, or turn them 180 or 90 degrees:
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The timing of p68 glider streams turns out to be quite convenient for many reactions, but if the p68 gun is not thin enough, one can use these thinner guns:
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Perhaps the most versatile gun is one with period 408, allowing glider reactions to involve both p24 and p68 oscillators:
It is also possible, but more difficult, to base a gun on the p24 oscillator alone. It seems likely that the following gun can be modified to produce periods of the form 24*k for all sufficiently large values of k; the gun shown has k = 9.
Three glider guns can be combined to form a 4c/10 spaceship gun:
One can also use glider collisions to make a gun for the wide 2c/5 spaceship
