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| {{Glossary}}
| | #REDIRECT [[One-time turner]] |
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| A [[one-time reflector]] is a [[constellation]] or other [[pattern]] that can be hit by a [[glider]] to produce another glider travelling in a different direction. This contrasts with permanent [[reflector]]s, which will survive and can be reused to reflect further gliders; and with one-time [[converter]]s, which produce an output different from the input.
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| One-time reflectors are an important component for [[slow salvo]] [[synthesis]], where they are frequently used to change the direction from which a trigger glider will hit the reaction site. | |
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| If a constellation upon being hit by a glider instead produces a glider travelling in the same direction, it may also be referred to as a (one-time) [[rephaser]].
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| The simplest one-time reflectors are [[boat]], [[eater 1]], and [[toad]], any one of which of which can turn a glider 90°, [[long ship]], which can reflect a glider 180°, and [[long boat]], which can reflect a glider either 90° or 180°. There are also two small one-time turner [[constellation]]s, each made up of two blocks; one of these turns a glider 90° and the other produces a 180° turn.
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| ==See also==
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| * [[Converter]]
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| * [[Splitter]]
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