Tag Archives: color

The Pink Debate

“Visible light” corresponds to a wavelength of 400 – 700 nanometers or 10-07 meters.  The visible colors from shortest to longest wavelength are: violet, blue, green, yellow, orange, and red.  You’ll notice that the color pink doesn’t appear anywhere on that list. Recently, there has been debate as to whether or not the color pink [...]

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(Clouds at) 40 (,000 feet)

20,000 feet = 6,096 meters (10+3 ) 40,000 feet = 12,192 meters (10+4 ) 60,000 feet = 18,288 meters (10+4 ) Cirrus (Ci), Cirrostratus (Cs) and Cirrocumulus (Cc) are always the highest out of low, middle and high clouds.  The temperature of the air (polar ice cap vs. equator) determines the elevation of the clouds.   [...]

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(Crayola) 64 (Box)

In 1903, Binney & Smith offered Crayola crayons in the following 8 colors (10+ 1):  Black, Blue, Brown, Green, Orange, Red, Violet and Yellow.  In Crayola Chronology, you can see how the number of colors have increased, how the names of some colors have changed, and how some colors are voted out of the box [...]

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(18)86

In 1886, which is one hundred and twenty-five years ago (10+2),  Vincent Van Gogh (1853-90) goes to Paris to stay with his brother Theo who introduces him to the work of Claude Monet and other Impressionists.  He studies how to bring more light and color into his own paintings of the city landscape around him, [...]

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  • Countdown to Powers of Ten Day

    • 10/10/10 1533 days ago