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WikiCards · Card list · History cards · William Crookes
Uncommon card · History
William Crookes, an Uncommon card
Sir William Crookes was an English chemist and physicist who attended the Royal College of Chemistry, now part of Imperial College London, and worked on spectroscopy.
- Rarity
- Uncommon
- Domain
- History
- ATK
- 76
- DEF
- 90
- Power
- 166
- Wikipedia reads a year
- 29,000
Power 166 (ATK + DEF): stronger than 85 % of WikiCards cards.
William Crookes quiz: 3 questions
Three questions on the William Crookes card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
He was a ______ of vacuum tubes, inventing the Crookes tube, which was made in 1875.
Answer
pioneer. He was a pioneer of vacuum tubes, inventing the Crookes tube, which was made in 1875. From the William Crookes article on Wikipedia.
In which decade?
He is credited with discovering the element thallium, announced in ____, with the help of spectroscopy.
Answer
1860s. He is credited with discovering the element thallium, announced in 1861, with the help of spectroscopy. From the William Crookes 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.
- He was a pioneer of vacuum tubes, inventing the Crookes tube, which was made in 1875.
- Observing cathode rays generated in these tubes, Crookes posited that "radiant matter" was a unique fourth state of matter, a foundational contribution to plasma physics.
- He is credited with discovering the element thallium, announced in 1861, with the help of spectroscopy.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The William Crookes article was read about 29,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 76 and blocks with 90: each hit it takes is cut by 36 %.
How to get William Crookes
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, William Crookes (revision), CC BY-SA 4.0. Photo : George Charles Beresford (1864-1938), Public domain, Wikimedia Commons.
