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Toaru Kagaku no Railgun E01 04m 11s

A Tokiwadai Middle School student being tested with a Zener card.

Zener Cards (ゼナー・カード Zenā Kādo?), also known as ESP Cards, are cards used in System Scans, most specifically, clairvoyance.

AppearanceEdit

Zener Cards

Zener Cards

There are five different Zener cards: a hollow circle (one curve), a Greek cross (two lines), three vertical wavy lines (or "waves"), a hollow square (four lines), and a hollow five-pointed star. There are 25 cards in a pack, five of each design.[1]

PrinciplesEdit

The esper being tested must be able to determine what the contents of the card are correctly.[2]

BackgroundEdit

Perceptual psychologist Karl Zener designed the cards in the early 1930s for experiments conducted with his colleague, parapsychologist J. B. Rhine.

In Toaru Majutsu no Index, the card's material was changed from vinyl to ABS resin, which was instituted by the United States of America in 1992 due to a trick that the fingerprints on the card made it possible to determine the card's contents.[3]

ChronologyEdit

Toaru Majutsu no IndexEdit

Sisters ArcEdit

Main article: Sisters Arc

In Tsukuyomi Komoe's supplementary lessons, she gives a lecture of the history of the ESP Card to an unenthustiastic Kamijou Touma.[3]

Three Stories ArcEdit

Main article: Three Stories Arc

In the anime adaptation, cards are shown on Touma's coffee table during his attempt at finishing his summer homework.[4]

Toaru Kagaku no RailgunEdit

Level Upper ArcEdit

Main article: Level Upper Arc

In the System Scan of the anime adaptation of Toaru Kagaku no Railgun, a clairvoyant or a telepath is being tested using the ESP Card.[2]

See alsoEdit

ReferencesEdit

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