optics Archives - Draw Curiosity

Why Do Rainbows Have Seven Colours? | Snippet Science

August 8, 2016August 8, 2016Inés Dawson 2

Rainbows have been described by a variety of colours over the course of the centuries, but for some reason the traditional seven colours have stuck – and in today’s Snippet Science I explore why.

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Four Ways Our Eyes Are Flawed

July 5, 2016August 18, 2016Inés Dawson 9

Human vision has adequate resolution and remarkable colour vision, but nonetheless, our eye structure is full of flaws, ranging from the physical properties of our lens to the fact our retinas back to front. Learn about the different ways our eyes are flawed in the video, and calculate the size and shape of your blindspot in the blog entry.

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The Extraordinary Secret of Cephalopod Vision

May 5, 2016August 19, 2016Inés Dawson 8

Cephalopods have always been a mystery to scientists. In spite of being colourblind, they’re able to detect colour due to the shape of their pupils

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