Learn more about scienceandnature with this collection
How to choose the right music for different tasks
The benefits of listening to music while working
How music affects productivity
The Light Of The Sun
Sunlight contains all visible colours of light and more.
In the 1870s, a man named Rayleigh found that each colour (or wavelength) of light is scattered to a different degree.
More blue light than other colours is scattered out of the sunlight travelling through the atmosphere.
This creates a diffuse blue glow and makes the sun appear yellow in colour.
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Evening Time: Yellow And Red
When the sun is lower in the sky, sunlight travels a longer distance through the atmosphere to reach an observer.
This means it encounters more particles that scatter out most of the blue light, as well as some green and yellow light. This leaves mostly red light when the sunlight reaches t...
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The Colour Of The Sky
Why is the Sky Blue?
Some say it's due to the blue oceans.
Some think it's what's in the atmosphere(mostly nitrogen and oxygen).
Some believe it's because outer space is blue.
But truthfully, it has to do with the size of the particles in the Eart...
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The Calculations Of Light
- The colour-sensitive receptors that humans have, called melanopsin, measure the amount of blue or yellow light in the atmosphere and likewise regulate our circadian rhythm.
- Human beings have Cone Cells, which are of three types, Red, Blue, and Green
Not all light is the same
Some kinds of light make you more alert and more awake, and others have less of an effect:
- Sunlight is strong in blue, short-wavelength light, although it includes all other colors as well. That’s important in the morning when we need to be alert and awake.
- Your tablet, pho...
The display of colors
The colours of a aurora boralis are pink, green, yellow, blue, violet, and occasionally orange and white.
- When the particles mix with oxygen, yellow and green are produced.
- When the particles interact with nitrogen, red, violet, and blue colours are produce...
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