EXPLORE OUR RESOURCES

Light

Colour

Vision

How to see more


SEARCH FOR RESOURCES

Resource pages cover dozens of topics. Every one includes:
Featured image | Q&A’s | Explanation | Key terms | Additional information

Try terms like:
| Colour wheel | Electromagnetic wave | Frequency |  Primary colour | Rainbow | Reflection | Refraction | Refractive index | RGB colour |


READ AN ARTICLE

Read about light, colour, vision and how to see more in our library of hand-crafted articles


DEFINE A TERM

Find an explanation for any of the family of terms we use to talk about light, colour, vision and how to see more


ASK A QUESTION

Use the form below to find questions (and answers) related to the terms we use to talk about light and colour.
(Another section about vision is coming soon!)

How is frequency calculated?


Frequency of an electromagnetic wave in a vacuum is calculated by dividing the speed of light by the wavelength of the wave.

Try terms like:
| Colour wheel | Electromagnetic wave | Frequency |  Primary colour | Rainbow | Reflection | Refraction | Refractive index | RGB colour |


RECENTLY ADDED IMAGES

Our images introduce ideas in an instant and are followed by explanations that burrow into the facts, one step at a time.
Find what you need and download images for free.


NEWSLETTER 2021

Site Newsletter

Kia ora to all our friends, supporters and visitors.

In case all this is new to you, lightcolourvision.org is a non-profit project exploring light, colour, vision and also asks the question, how can we see more? In a nutshell, it’s all about making sense and developing our views of ourselves and the world. It’s designed as a resource for students, teachers, educators and researchers of all ages . . .


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