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Uncommon card · Science
Boltzmann equation, an Uncommon card
The Boltzmann equation or Boltzmann transport equation describes the statistical behaviour of a thermodynamic system not in a state of equilibrium, it was devised by Ludwig Boltzmann in 1872.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 72
- DEF
- 56
- Power
- 128
- Wikipedia reads a year
- 83,000
Power 128 (ATK + DEF): stronger than 70 % of WikiCards cards.
Boltzmann equation quiz: 3 questions
Three questions on the Boltzmann equation card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
In which decade?
The Boltzmann equation or Boltzmann transport equation describes the statistical behaviour of a thermodynamic system not in a state of equilibrium, it was devised by Ludwig Boltzmann in ____.
Answer
1870s. The Boltzmann equation or Boltzmann transport equation describes the statistical behaviour of a thermodynamic system not in a state of equilibrium, it was devised by Ludwig Boltzmann in 1872. From the Boltzmann equation article on Wikipedia.
Which of these Wikipedia articles is read the most in a year?
Answer
Dielectric. Dielectric 120,000 · Boltzmann equation 83,000 · Bosphorus Bridge 64,000 · Hyundai Atos 38,000 Wikipedia reads over a year.
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 classic example of such a system is a fluid with temperature gradients in space causing heat to flow from hotter regions to colder ones, by the random but biased transport of the particles making up that fluid.
- In the modern literature the term Boltzmann equation is often used in a more general sense, referring to any kinetic equation that describes the change of a macroscopic quantity in a thermodynamic system, such as energy, charge or particle number.
- The equation arises not by analyzing the individual positions and momenta of each particle in the fluid but rather by considering a probability distribution for the position and momentum of a typical particle, that is, the probability that the particle occupies a given very small region of space centered at the position r, and has momentum nearly equal to a given momentum vector p, at an instant…
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Boltzmann equation article was read about 83,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 72 and blocks with 56: each hit it takes is cut by 22 %.
How to get Boltzmann equation
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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Credits
Text : Wikipedia, Boltzmann equation (revision), CC BY-SA 4.0. Photo : Jarash The copyright holder of this file, User:Agor153 , allows anyone to use it for any p, CC BY-SA 3.0, Wikimedia Commons.
