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Uncommon card · Science
Casimir effect, an Uncommon card
In quantum field theory, the Casimir effect is a physical force acting on the macroscopic boundaries of a confined space which arises from the quantum fluctuations of a field.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 80
- DEF
- 71
- Power
- 151
- Wikipedia reads a year
- 180,000
Power 151 (ATK + DEF): stronger than 80 % of WikiCards cards.
Casimir effect quiz: 3 questions
Three questions on the Casimir effect card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
The term Casimir pressure is ______ used when it is described in units of force per unit area.
Answer
sometimes. The term Casimir pressure is sometimes used when it is described in units of force per unit area. From the Casimir effect article on Wikipedia.
In which decade?
It is named after the Dutch physicist Hendrik Casimir, who predicted the effect for electromagnetic systems in ____.
Answer
1940s. It is named after the Dutch physicist Hendrik Casimir, who predicted the effect for electromagnetic systems in 1948. From the Casimir effect article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Parabola. Parabola 83 · Casimir effect 80 · Edsger W. Dijkstra 76 · John Logie Baird 72 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.
- The term Casimir pressure is sometimes used when it is described in units of force per unit area.
- It is named after the Dutch physicist Hendrik Casimir, who predicted the effect for electromagnetic systems in 1948.
- In the same year Casimir, together with Dirk Polder, described a similar effect experienced by a neutral atom in the vicinity of a macroscopic interface which is called the Casimir–Polder force.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Casimir effect article was read about 180,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 80 and blocks with 71: each hit it takes is cut by 28 %.
How to get Casimir effect
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 Science cards
Cards close in power
The cards just above and just below Casimir effect in the power ranking, all domains together.
- John Logie BairdUncommon · Science · ATK 72 DEF 79
- ParabolaUncommon · Science · ATK 83 DEF 68
- AsclepiasUncommon · Nature · ATK 75 DEF 76
- Eugène DelacroixUncommon · Arts · ATK 75 DEF 76
- Long jumpUncommon · Science · ATK 85 DEF 66
- Probability distributionUncommon · Science · ATK 77 DEF 74
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
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- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Casimir effect (revision), CC BY-SA 4.0. Photo : Emok, CC BY-SA 3.0, Wikimedia Commons.
