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WikiCards · Card list · History cards · Hering illusion

Common card · History

Hering illusion, a Common card

The Hering illusion is one of the geometrical-optical illusions and was discovered by the German physiologist Ewald Hering in 1861.

From the Wikipedia article

Rarity
Common
Domain
History
ATK
45
DEF
22
Power
67
Wikipedia reads a year
5,900

Power 67 (ATK + DEF): stronger than 10 % of WikiCards cards.

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Hering illusion quiz: 3 questions

Three questions on the Hering illusion card, the way WikiCards duels ask them. Pick an answer, the facts are just below.

  1. Find the missing word

    There are several possible explanations for why perceptual distortion produced by the ______ pattern.

    Answer

    radiating. There are several possible explanations for why perceptual distortion produced by the radiating pattern. From the Hering illusion article on Wikipedia.

  2. In which decade?

    The Hering illusion is one of the geometrical-optical illusions and was discovered by the German physiologist Ewald Hering in ____.

    Answer

    1860s. The Hering illusion is one of the geometrical-optical illusions and was discovered by the German physiologist Ewald Hering in 1861. From the Hering illusion article on Wikipedia.

  3. Which of these cards hits hardest (highest ATK)?

    Answer

    Saab 92. Saab 92 50 · Hering illusion 45 · Anna I 41 · Echinops bannaticus 35 ATK in WikiCards.

In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.

The facts on the card

The card carries these facts from its Wikipedia article.

Why it is Common

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Hering illusion article was read about 5,900 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 45 and blocks with 22: each hit it takes is cut by 9 %.

How to get Hering illusion

Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.

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Cards close in power

The cards just above and just below Hering illusion in the power ranking, all domains together.

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Credits

Text : Wikipedia, Hering illusion (revision), CC BY-SA 4.0. Photo : Fibonacci, CC BY-SA 3.0, Wikimedia Commons.

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