Light, Sound and Waves

Big Idea: Waves carry information without causing a permanent change on the intervening medium. More info...

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Visible Light
Light, Sound and Waves IOP RESOURCES

The first fibres

As early as 1888, doctors were using bent glass rods to illuminate the insides of their patients’ bodies. By the beginning of...

Stories from Physics 11-14 14-16

Visible Light
Light, Sound and Waves IOP RESOURCES

Snell’s window

Anglers can hide themselves from their prey by exploiting a phenomenon arising from total internal reflection.

Stories from Physics 11-14 14-16

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