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WikiCards · Card list · Science cards · Half-life
Uncommon card · Science
Half-life, an Uncommon card
Half-life is the time required for a quantity to reduce to half of its initial value.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 63
- DEF
- 36
- Power
- 99
- Wikipedia reads a year
- 190,000
Power 99 (ATK + DEF): stronger than 40 % of WikiCards cards.
Half-life quiz: 3 questions
Three questions on the Half-life card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
The term is also used more generally to characterize any type of ______ decay.
Answer
exponential. The term is also used more generally to characterize any type of exponential decay. From the Half-life article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Half-life. Half-life 63 · Juliane Koepcke 60 · Hostel 56 · Ouvrage Coucou 53 ATK in WikiCards.
Which of these Wikipedia articles is read the most in a year?
Answer
Juliane Koepcke. Juliane Koepcke 470,000 · Jeremy Wade 330,000 · Half-life 190,000 · Ouvrage Coucou 320 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 term is commonly used in nuclear physics to describe how quickly unstable atoms undergo radioactive decay or how long stable atoms survive.
- The term is also used more generally to characterize any type of exponential decay.
- For example, the medical sciences refer to the biological half-life of drugs and other chemicals in the human body.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Half-life article was read about 190,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 63 and blocks with 36: each hit it takes is cut by 14 %.
How to get Half-life
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 Half-life in the power ranking, all domains together.
- Krunal PandyaRare · Society · ATK 62 DEF 37
- Akhmad KadyrovRare · History · ATK 60 DEF 39
- PoitínUncommon · Society · ATK 58 DEF 41
- Magic 8 BallUncommon · Society · ATK 57 DEF 42
- Alvin LeeUncommon · Arts · ATK 58 DEF 41
- DameUncommon · History · ATK 56 DEF 43
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, Half-life (revision), CC BY-SA 4.0. Photo : Svjo, CC BY-SA 4.0, Wikimedia Commons.
