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WikiCards · Card list · Science cards · Arrow of time
Uncommon card · Science
Arrow of time, an Uncommon card
The arrow of time, also called time's arrow, is the concept positing the "one-way direction" or "asymmetry" of time.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 70
- DEF
- 51
- Power
- 121
- Wikipedia reads a year
- 66,000
Power 121 (ATK + DEF): stronger than 60 % of WikiCards cards.
Arrow of time quiz: 3 questions
Three questions on the Arrow of time card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
It was developed in 1927 by the British astrophysicist Arthur Eddington, and is an ______ general physics question.
Answer
unsolved. It was developed in 1927 by the British astrophysicist Arthur Eddington, and is an unsolved general physics question. From the Arrow of time article on Wikipedia.
In which decade?
The arrow of time paradox was originally recognized in the ____s for gases as a discrepancy between microscopic and macroscopic description of thermodynamics / statistical physics.
Answer
1800s. The arrow of time paradox was originally recognized in the 1800s for gases as a discrepancy between microscopic and macroscopic description of thermodynamics / statistical physics. From the Arrow of time article on Wikipedia.
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.
- It was developed in 1927 by the British astrophysicist Arthur Eddington, and is an unsolved general physics question.
- This direction, according to Eddington, could be determined by studying the organization of atoms, molecules, and bodies, and might be drawn upon a four-dimensional relativistic map of the world.
- The arrow of time paradox was originally recognized in the 1800s for gases as a discrepancy between microscopic and macroscopic description of thermodynamics / statistical physics.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Arrow of time article was read about 66,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 70 and blocks with 51: each hit it takes is cut by 20 %.
How to get Arrow of time
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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Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Science cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Arrow of time (revision), CC BY-SA 4.0. Photo : George Grantham Bain Collection, Library of Congress Prints and Photographs Division Washi, Public domain, Wikimedia Commons.
