A Moment of Science

Posts tagged light

October 25, 2010

 

A spider web wrapped around a pink flower

Spiders Send Ultraviolet Signals to Insects

Spiders have been found to decorate their webs with special ultraviolet-reflecting silk in flower-like patterns.

September 6, 2010

 

silver telescope

Planets With Water Found!

Astronomers have found a planet with water known as HD 189733b.

August 13, 2010

 

cat stretching on oriental rug

Why Do Animals Have Lighter Fur On Their Bellies?

Animals have mastered blending in with their surroundings. Yet, why do some animals have lighter fur on their bellies than on their backs?

April 15, 2010

 

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How A Rear-View Mirror Works

You're driving along at night and suddenly you're blinded by light. You flick the tab on your rear-view mirror... what happens next?

February 25, 2010

 

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Why Are Some Headlights Blue? High Intensity Discharge Lamps

Have you seen cars with headlights that appear blue?

February 22, 2010

 

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The Speed Of Light And The Interstellar Highway

Have you ever wondered what the speed of light meant?

February 10, 2010

 

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Where Does The Term “Limelight” Originate?

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

February 4, 2010

 

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Cats And Colors

Have you ever wondered why your cat cannot see color?

May 1, 2009

 

Reflection from spoon

A Spoon’s Double Vision

These bouncing balls show you the path light would take when it reflects off the back of a real spoon (although light bounces into your eye, not out of it).

February 9, 2009

 

Double rainbow over lake

Why Are Rainbows Curved?

The narrow range of angles at which the colors are reflected is the key to why rainbows must be curved.

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