I am a physicist, and I’ll explain how to do that in a minute. Rainbows form when sunlight from behind you hits millions of tiny round water droplets in front of you and bounces back to your eyes.

Hawaii's regular sunshine, short rain showers and clean air come together to create some of the planet's best conditions for ...

The different colours of light that we get from the sun What happens when light hits a raindrop Why rainbows are arch-shaped How you can create your own rainbow This resource is suitable for ...