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  2. Picture Exchange Communication System - Wikipedia

    en.wikipedia.org/wiki/Picture_Exchange...

    Training should progress across different settings, with different communicative partners, and different types of highly motivating and preferred items to assist in the generalization of PECS usage. [6] Phase 3 – discrimination between symbols: As soon as the student has demonstrated distance and persistence in multiple settings with multiple ...

  3. Flicker fusion threshold - Wikipedia

    en.wikipedia.org/wiki/Flicker_fusion_threshold

    This is known as the Talbot-Plateau law. [2] Like all psychophysical thresholds , the flicker fusion threshold is a statistical rather than an absolute quantity. There is a range of frequencies within which flicker sometimes will be seen and sometimes will not be seen, and the threshold is the frequency at which flicker is detected on 50% of ...

  4. Interleaving distance - Wikipedia

    en.wikipedia.org/wiki/Interleaving_distance

    A 1-interleaving between two -indexed persistence modules M and N, represented as a diagram of vector spaces and linear maps between them.. In topological data analysis, the interleaving distance is a measure of similarity between persistence modules, a common object of study in topological data analysis and persistent homology.

  5. Kuhn length - Wikipedia

    en.wikipedia.org/wiki/Kuhn_length

    The average end-to-end distance for a chain satisfying the random walk model is ... Kuhn length equals two times the persistence length. [6] References

  6. The music video features a cat meowing to the beat. io/X A video of the tune had raked in more than 267,000 views on X Friday — with fans howling with laughter and calling it the purr-fect fall ...

  7. Human interaction with cats - Wikipedia

    en.wikipedia.org/wiki/Human_interaction_with_cats

    A man sleeping on a bed with his cat A domestic kitten taken as a pet Cat on a leash enjoying the outdoors. Cats are common pets in all continents of the world permanently inhabited by humans, and their global population is difficult to ascertain, with estimates ranging from anywhere between 200 million to 600 million.

  8. Persistence hunting - Wikipedia

    en.wikipedia.org/wiki/Persistence_hunting

    Humans are some of the best long distance runners in the animal kingdom; [6] some hunter gatherer tribes practice this form of hunting into the modern era. [7] [8] [9] Homo sapiens have the proportionally longest legs of all known human species, [3] [10] [11] but all members of genus Homo have cursorial (limbs adapted for running) adaptions not seen in more arboreal hominids such as ...

  9. Springfield pet-eating hoax - Wikipedia

    en.wikipedia.org/wiki/Springfield_pet-eating_hoax

    [110] [111] A Vance aide gave The Wall Street Journal a police report from a Springfield resident who said that her pet cat was missing, casting suspicion on her Haitian neighbors. [112] But when reporters checked with the woman, she said that the missing cat, Sassy, was hiding in her basement and she had apologized to her neighbors. [112] [113 ...