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WikiCards · Card list · History cards · Émile Henriot
Common card · History
Émile Henriot, a Common card
Émile Henriot was a French chemist notable for being the first to show definitively that potassium and rubidium are naturally radioactive.
- Rarity
- Common
- Domain
- History
- ATK
- 42
- DEF
- 9
- Power
- 51
- Wikipedia reads a year
- 4,600
Power 51 (ATK + DEF).
Émile Henriot quiz: 3 questions
Three questions on the Émile Henriot card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
He also studied ______ and molecular vibrations.
Answer
birefringence. He also studied birefringence and molecular vibrations. From the Émile Henriot article on Wikipedia.
Which of these Wikipedia articles is read the most in a year?
Answer
DAF 33. DAF 33 9,200 · Formula One Indoor Trophy 6,600 · Émile Henriot 4,600 · O. R. Schumann 88 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.
- He investigated methods to generate extremely high angular velocities and found that suitably placed air jets can be used to spin tops at very high speeds, this technique was later used to construct ultracentrifuges.
- He was a pioneer in the study of the electron microscope.
- He also studied birefringence and molecular vibrations.
Why it is Common
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Émile Henriot article was read about 4,600 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 42 and blocks with 9: each hit it takes is cut by 4 %.
How to get Émile Henriot
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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The cards just above and just below Émile Henriot in the power ranking, all domains together.
- Troels LybyCommon · Arts · ATK 44 DEF 7
- Aid agencyCommon · Society · ATK 40 DEF 11
- Jasmin GeratCommon · Arts · ATK 40 DEF 11
- Folke RogardCommon · History · ATK 44 DEF 7
- Cordula TrantowCommon · Arts · ATK 45 DEF 6
- Roman TheatreCommon · History · ATK 35 DEF 16
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Credits
Text : Wikipedia, Émile Henriot (revision), CC BY-SA 4.0. Photo : Benjamin Couprie, Institut International de Physique de Solvay, Public domain, Wikimedia Commons.
