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FredericBernard

Removed category physics

DavidB4-bot

→‎See also: Spelling, grammar, and general cleanup

(username removed)

Categorise

DavidB4-bot

→‎top: clean up & uniformity

AlexanderS

elaborated some

DavidE

internal link

Ed Poor

Refraction produces rainbows and a similar effect in a prism. It is also the principle used in eyeglasses and the refracting telescope.

Aschlafly

corrected punctuation

BillOhannity

add link to Snell's Law

DeanS

Reverted edits by 111EISWEJJJJ111 (Talk); changed back to last version by Parrothead

111EISWEJJJJ111

ack ack ack ack

GregL

fmt

Jaques

no edit summary

Sersabian

New page: Refraction is the change in direction of light when moving from one medium to another.