WikiCards · Card list · Science cards · Speed of light

Epic card · Science
Speed of light, an Epic card
The speed of light is the speed of electromagnetic waves. Light travels at slower speed inside materials like glass or water, its highest speed is in a vacuum.
- Rarity
- Epic
- Domain
- Science
- ATK
- 90
- DEF
- 93
- Power
- 183
- Wikipedia reads a year
- 860,000
Ranked #422 of 3,000 cards by power (ATK + DEF) in the base set.
The facts on the card
The card carries these facts from its Wikipedia article.
- The speed of light in vacuum is a universal physical constant denoted c, exactly equal to 299792458 m⋅s−1.
- It is exact because, by international agreement, a metre is defined as the length of the path travelled by light in vacuum during a time interval of 1⁄299792458 second.
- The value 299,792,458 metres per second is approximately 1 billion kilometres per hour, 700 million miles per hour.
Why it is Epic
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Speed of light article was read about 860,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 90 and blocks with 93: each hit it takes is cut by 37 %.
How to get Speed of light
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 3 hours, and the Coins you win in duels buy more packs.
More Science cards
Card lists
- Nature cards600 cards
- Science cards600 cards
- History cards600 cards
- Arts cards600 cards
- Society cards600 cards
- Tier listS and A tiers by power (ATK + DEF)
- Legendary cards132 cards
- Epic cards263 cards
- Strongest cardsTop 100 by attack
Credits
Text : Wikipedia, Speed of light (revision), CC BY-SA 4.0. Photo : LucasVB, Public domain, Wikimedia Commons.







