When the Sun is near the horizon, its light passes through a lot more of the atmosphere to reach the Earth's surface than ...

Did you know that the world around us is filled with different types of light waves ? From the warm glow of the sun to audible radio waves and invisible gamma rays, electromagnetic waves (action ...

White light from the Sun is a mixture of colours, each with a different frequency. You can use a prism to split (or disperse) white light into a spectrum of colours: red, orange, yellow ...