The world appears to be a colorful place, but what are colors? What properties of light determine what color we see?
- Color is how our brains perceive different wavelengths of light.
- Newton discovered that white light splits into many different wavelengths.
- Light travels in waves and can be reflected, refracted or absorbed.
- What we see are the wavelengths of light being reflected.
Throughout history, the conundrum of color has exercised some very bright minds.
In 1666, Isaac Newton experimented with a beam of light and a transparent, triangular prism.
He observed that when light passed through this, it split - or dispersed - into different colored rays.
Newton had discovered that white light is ...
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