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  2. Sagnac effect - Wikipedia

    en.wikipedia.org/wiki/Sagnac_effect

    If a light source emits in both directions from one point on the rotating ring, light traveling in the same direction as the rotation direction needs to travel more than one circumference around the ring before it catches up with the light source from behind.

  3. Glossary of magic (illusion) - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_magic_(illusion)

    Centre tear – a special way of tearing up paper billets used in mentalism. Change – changing one card (or object) for another. Charlier Cut – One handed flourish cut or pass. Classic force – a force performed by fanning the cards and timing the force card to land under their fingers. Classic palm – to palm with the centre of the hand.

  4. Jastrow illusion - Wikipedia

    en.wikipedia.org/wiki/Jastrow_illusion

    This optical illusion is known under different names: Ring-Segment illusion, Jastrow illusion, Wundt area illusion or Wundt-Jastrow illusion. [2] The illusion also occurs in the real world. The two toy railway tracks pictured are identical, although the lower one appears to be larger. There are three competing theories on how this illusion ...

  5. Optical aberration - Wikipedia

    en.wikipedia.org/wiki/Optical_aberration

    If, in an unsharp image, a patch of light corresponds to an object point, the center of gravity of the patch may be regarded as the image point, this being the point where the plane receiving the image, e.g., a focusing screen, intersects the ray passing through the middle of the stop. This assumption is justified if a poor image on the ...

  6. One Ring - Wikipedia

    en.wikipedia.org/wiki/One_Ring

    The One Ring, also called the Ruling Ring and Isildur's Bane, is a central plot element in J. R. R. Tolkien's The Lord of the Rings (1954–55). It first appeared in the earlier story The Hobbit (1937) as a magic ring that grants the wearer invisibility .

  7. Addiction to power in The Lord of the Rings - Wikipedia

    en.wikipedia.org/wiki/Addiction_to_power_in_The...

    Artist's representation of the One Ring. In J. R. R. Tolkien's fantasy work The Lord of the Rings, the One Ring was forged by the Dark Lord Sauron in the fires of Mount Doom during the Second Age to gain dominion over peoples of Middle-earth. [T 1] He intended it to control those who wore any of the other Rings of Power.

  8. Bhavacakra - Wikipedia

    en.wikipedia.org/wiki/Bhavacakra

    One half-circle (usually light) shows contented people moving upwards to higher states, possibly to the higher realms. The other half-circle (usually dark) shows people in a miserable state being led downwards to lower states, possibly to the lower realms. These images represent karma, the law of cause and effect. The light half-circle ...

  9. Optical ring resonators - Wikipedia

    en.wikipedia.org/wiki/Optical_ring_resonators

    In a double ring resonator, two ring waveguides are used instead of one. They may be arranged in series (as shown on the right) or in parallel. When using two ring waveguides in series, the output of the double ring resonator will be in the same direction as the input (albeit with a lateral shift).