Refraction of light in water

When light travels from air into water, it ...

The visible spectrum

The visible spectrum showing the wavelengths ...

Refraction and spearfishing

Light coming from the fish refracts (changes ...

Red shirt and blue shorts

Why does the shirt look red and the shorts ...

Colour mixing

The results of mixing red, green and blue ...

Water in its three states of matter

Water behaves differently to most other ...

How we see 3D

Dr Adrian Dorrington, a scientist from the ...

Planets, stars and the Solar System

Dr Melanie Johnston-Hollitt, from Victoria ...

Wavelengths of different wave types

Every wave has a specific wavelength, but ...

Refraction

By using the example of spearing a fish ...

Converging lens

Each light ray entering a converging (convex) ...

Prism

When white light shines through a prism, each ...

Concave lens

Each light ray entering a diverging (concave) ...

Water molecule

Water molecules contain two hydrogen atoms ...

Detecting light in space

Dr Melanie Johnston-Hollitt, from Victoria ...

How the eye works

Associate Professor Gordon Sanderson is ...

Theories of eye accommodation

The Helmholtz theory of accommodation claims ...

The eye’s lens system

Using the example of using a magnifying lens ...

Wave length, height and frequency

A wave can be described by its length, height ...

Long and short-sightedness

Associate Professor Gordon Sanderson from the ...

Accommodation

The crystalline lens changes shape to ...

Lifecycle of the Sun

This diagram shows how our Sun will turn into ...

Statue of Sir Isaac Newton

Sir Isaac Newton (1643–1726) entered ...

Tsunami buoy

Waves transfer energy but not mass. Buoys ...

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