Rectifier

The rectifier is a 180° stable glider reflector made up of two eater 1s, a block, a beehive, and a modification of eater 3. The normal tub-stabilised eater 3 can be used here to reduce the population count, but the snake-stabilised eater 3 has a smaller bounding box. The rectifier is notable for its recovery time of 106 generations and small number of catalysts. It can replace the boojum reflector in a large number of instances, although in some cases it cannot fit into the space provided due to the transparency of the beehive. It has several advantages over the boojum reflector:

  • It has a much faster recovery time, allowing certain guns to be compacted;
  • Its passive bounding box is slightly smaller, so it can further compact many glider guns;
  • Its output path is free of catalysts, enabling it to be used as a merge device.
Rectifier
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Pattern type Stable reflector
Number of cells 59
Bounding box 41×33
Angle 180°
Repeat time 106
Discovered by Adam P. Goucher
Year of discovery 2009

The transparent beehive reaction was discovered by Paul Callahan in 1996.

An incoming glider (in green) and an outgoing glider (in red) 167 generations later
gollark: ARing now. Whatever.
gollark: Should I just go *now*...?
gollark: Didn't you say 26:10?
gollark: Bite/earthquake/kill an egg and it dies → takes a slot for 24 hoursSickness/out of time → no slot
gollark: Otherwise no.
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