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The Triple Triumph of the Moon by Isaac Asimov

The moon made it possible for man to evolve and so exist.
The moon made it possible for him to develop mathematics and science.
The moon made it possible for him to transcend Earth and conquer space.

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THREE CHEERS FOR THE RED, GREEN, & BLUE!

Red, green, and blue are the colors that the first astronauts to Mars might plant there. The three colors were chosen recently by the Mars Society for its first Martian flag. The Mars Society is a group of scientists and laypeople whose goal is promoting the exploration and settlement of the Red Planet. Continue reading THREE CHEERS FOR THE RED, GREEN, & BLUE!

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Numerology

In the science of numerology, a person with the birth number of Three show a keen, intuitive mind, with the ability to learn things rapidly, often at an early age. Talent, versatility and gaiety are their traits.

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Differentiating wavelengths

Brain

Normal humans have three different types of cones with photo-pigments that sense three different portions of the spectrum. Each cone is tuned to perceive mostly either Long wavelengths (reddish), Middle wavelengths (greenish), or Short wavelengths (bluish), referred to as L-, M-, and S- cones. Continue reading Differentiating wavelengths

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Color Wheel

Primary colors

Primary colors

Primary colors

 

PRIMARY COLORS – Red, yellow and blue

 

Secondary colors

Secondary colors

 

SECONDARY COLORS – Green, orange and purple – from mixing primary colors

 

Tertiary colors

Tertiary colors

 

TERTIARY COLORS – Yellow-orange, red-orange, red-purple, blue-purple, blue-green and yellow-green – from mixing secondary colors.

 

Continue reading Color Wheel