linkedin post 2019-02-22 06:06:15

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GROUND-BREAKING. "When Wade posted his self-replicating mathematical organism on a Life community website on 18 May, it sparked a wave of excitement. “This is truly ground-breaking work,” wrote a fellow Life enthusiast, Adam Goucher, on the website Game of Life News. “In fact, this is arguably the single most impressive and important pattern ever devised.” https://lnkd.in/d-ckTpQ View in LinkedIn
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linkedin post 2019-02-22 06:03:19

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GEMINI STATS VS LIFE. "And it replicates in only 34 million generations?! The best estimate so far for a typical UCC-based Life replicator was 10^18 generations. I see that you have removed all but the bare minimum -- that is probably the simplest possible self-replicator, and very elegant, too. Well, congratulations -- you have single-handedly beaten the collaborative effort between myself, Dave Greene and Paul Chapman to realise a Life replicator." https://lnkd.in/dpf5iAu View in LinkedIn
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linkedin post 2019-02-21 05:02:28

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GEMINI. "On May 18, 2010, Andrew J. Wade announced a self-constructing pattern dubbed Gemini which creates a copy of itself while destroying its parent. This pattern replicates in 34 million generations, and uses an instruction tape made of gliders which oscillate between two stable configurations made of Chapman-Greene construction arms. These, in turn, create new copies of the pattern, and destroy the previous copy." https://lnkd.in/dzs-Kxk View in LinkedIn
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linkedin post 2019-02-23 06:28:23

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REDUCED SENSITIVITY. "For long day plants or light-dominant plants the situation is not quite as straightforward. Because sensitivity to night breaks is much reduced, it is very difficult to do night break experiments. Rhythms in response to an night break have been described in the long day plants but the pattern of response varies with the duration of the experimental dark period suggesting an interaction with the subsequent light period." https://lnkd.in/d_f7kfY View in LinkedIn
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linkedin post 2019-02-23 06:26:45

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SENSITIVE WINDOW. "Light received during the photoinducible phase (dawn or an night break) prevents the short day response. Thus it is easy to think that the circadian rhythm in light sensitivity provides the timing base that allows the length of the dark period to be distinguished by the plant." https://lnkd.in/d_f7kfY View in LinkedIn
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linkedin post 2019-02-23 06:24:49

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DUSK SIGNAL. "Short day plants often exhibit a qualitative requirement for inductive photoperiods and can frequently be induced to flower in response to a single inductive light–dark cycle. In such plants the circadian rhythm of responsiveness to night breaks is entrained by the dusk signal, so that the photoinducible phase always occurs at about the same time in darkness." https://lnkd.in/d_f7kfY View in LinkedIn
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linkedin post 2019-02-23 06:23:11

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NIGHT BREAKS. "Responsiveness to night breaks was rhythmic in short day species and oscillated with a period of approximately 24 h. Results obtained with long day plants also supported this model, but suggested that the characteristics of the interaction of light and circadian rhythms were not the same in short day plants and long day plants." https://lnkd.in/d_f7kfY View in LinkedIn
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linkedin post 2019-02-23 06:20:02

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"THE TIMING MECHANISM used in photoperiodism seems in most cases to be based on endogenous circadian rhythms in light sensitivity, as first postulated by Bunning (1936). He suggested that the circadian clock consisted of two half cycles, photophil and scotophil. When light was received in the scotophilic phase, the daily cycle was perceived as an long day, but the absence of light during the scotophilic phase produced an short day response. Support for these circadian clock-based models was initially provided by physiological studies." https://lnkd.in/d_f7kfY View in LinkedIn
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