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  2. 180 Fun Morning Meeting Questions for Kids to Express ... - AOL

    www.aol.com/180-fun-morning-meeting-questions...

    From silly and funny open-ended questions to more thought-provoking inquiries, these 180 morning meeting questions provide ideas on a variety of topics for various age groups.

  3. Checker shadow illusion - Wikipedia

    en.wikipedia.org/wiki/Checker_shadow_illusion

    An illusion closely related to the checker shadow illusion, which also relies on using implied visual shadows to seemingly darken a brighter region to the same color as a well-lit dark region, involves two squares placed at an angle, with the darker square being lit and the lighter square at an angle which receives poor light. [2]

  4. Gnomon - Wikipedia

    en.wikipedia.org/wiki/Gnomon

    A painted stick dating from 2300 BC that was excavated at the archeological site of Taosi is the oldest gnomon known in China. [4] The gnomon was widely used in ancient China from the second millennium BC onward in order to determine the changes in seasons, orientation, and geographical latitude.

  5. List of experiments - Wikipedia

    en.wikipedia.org/wiki/List_of_experiments

    Elizabeth Loftus' and John C. Palmer's car crash experiment shows that leading questions can produce false memories (1974) Benjamin Libet's experiment on free will shows that a readiness potential appears before the notion of doing the task enters conscious experience, sparking debate about the illusory nature of free will yet again. (1983)

  6. Arago spot - Wikipedia

    en.wikipedia.org/wiki/Arago_spot

    Photo of the Arago spot in a shadow of a 5.8 mm circular obstacle. Arago spot experiment. A point source illuminates a circular object, casting a shadow on a screen. At the shadow's center a bright spot appears due to diffraction, contradicting the prediction of geometric optics. Arago spot forming in the shadow.

  7. Mirror matter - Wikipedia

    en.wikipedia.org/wiki/Mirror_matter

    Mirror matter could have been diluted to unobservably low densities during the inflation epoch. Sheldon Glashow has shown that if at some high energy scale particles exist which interact strongly with both ordinary and mirror particles, radiative corrections will lead to a mixing between photons and mirror photons. [22]

  8. Milgram experiment - Wikipedia

    en.wikipedia.org/wiki/Milgram_experiment

    The first is the theory of conformism, based on Solomon Asch conformity experiments, describing the fundamental relationship between the group of reference and the individual person. A subject who has neither ability nor expertise to make decisions, especially in a crisis, will leave decision making to the group and its hierarchy.

  9. Stanford marshmallow experiment - Wikipedia

    en.wikipedia.org/.../Stanford_marshmallow_experiment

    Experiment 2 focused on how the substantive content of cognitions can affect subsequent delay behavior. The conditions in Experiment 2 were the same as in Experiment 1, with the exception that after the three comprehension questions were asked of the children the experimenter suggested ideas to think about while they were waiting.