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.
- 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.
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.
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.
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.
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.
- When two straight and parallel lines are presented in front of a radial background, the lines appear as if they were bowed outwards.
- The Orbison illusion is one of its variants, while the Wundt illusion produces a similar, but inverted effect.
- There are several possible explanations for why perceptual distortion produced by the radiating pattern.
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.
More History cards
Cards close in power
The cards just above and just below Hering illusion in the power ranking, all domains together.
- Michael OversCommon · Society · ATK 44 DEF 23
- Azerbaijan TimeCommon · Society · ATK 43 DEF 24
- Yakima Electric Railway MuseumCommon · Arts · ATK 47 DEF 20
- Echinops bannaticusCommon · Nature · ATK 35 DEF 32
- Tsarevich Dmitry Alexeyevich of RussiaCommon · History · ATK 42 DEF 25
- Bass IslandsCommon · Nature · ATK 44 DEF 23
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Credits
Text : Wikipedia, Hering illusion (revision), CC BY-SA 4.0. Photo : Fibonacci, CC BY-SA 3.0, Wikimedia Commons.



