Surface tension, an Uncommon card

The card carries these facts from its Wikipedia article.

• It has the dimension of force per unit length, or energy per unit area.
• The two are equivalent, but when referring to energy per unit of area, it is common to use the term surface energy, which is a more general term in the sense that it applies also to solids.
• Surface tension is used for liquids, while surface stress and surface energy are more commonly used for solids.

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Surface tension article was read about 140,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 81 and blocks with 77: each hit it takes is cut by 31 %.

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.

The cards just above and just below Surface tension in the power ranking, all domains together.