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Posts tagged sunlight

April 25, 2012


new moon sliver

The Glowing Moon

There's an interesting effect we can sometimes see regarding the moon. It happens when only a tiny sliver is visible shining on one side.

January 26, 2012


blue sky with clouds

Why The Sky Is Not Blue

This is partly due to pollution, but even in the cleanest air the sky is lighter near the horizon due to the effect of earth's atmosphere on sunlight.

January 19, 2012


clouds in the sky

Why Are Clouds White?

Clouds can range in color from brilliant white to almost black. Why?

January 10, 2012


a hot air balloons flys past a snowy mountain

Hot Air: The Physics Of Rising Air

Learn more about the physics of hot air and why mountain tops are so cold.

November 19, 2010


a city with the moon above it

The Dark Side Of The Moon Does Not Exist!

There is no place on the moon that is completely dark. Learn why!

August 10, 2010


Statue of Archimedes

True Or False: Arcimedes Used Mirrors To Set Roman Ships On Fire?

Could Archimedes have used mirrors to set Roman ships on fire?

February 10, 2010



Where Does The Term “Limelight” Originate?

Do you love being the center of attention or a bright, incandescent lamp?

September 22, 2009


Balsam fir forest in winter

Food Chain Regulation

New research suggests that animal populations can actually decipher the amount of plant life in that particular area.

February 4, 2009


Ghostly fogbow over ocean

A Rainbow’s Ghostly Cousin

Fogbows are created in much the same way as normal rainbows are. The main difference is the size of the water droplets which affect the light's refraction.

November 13, 2008


Shade-vs-Sun light

Shade Avoidance Syndrome (SAS)

Have you ever seen some shaded plants grow tall and spindly very fast, while ones in sunlight are shorter and thicker? Well there is an answer...

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