A Moment of Science

Posts tagged light waves

February 17, 2014

 

Close-up of a crackled DVD that's been in the microwave

Are Microwave Ovens Dangerous?

A Moment Of Science takes a scientific look at an old myth.

November 19, 2012

 

water flowing into bright blue water

What Is Rock Flour?

Today's Moment of Science is all about the role that glaciers play in giving those chilly lakes such incredible turquoise colors.

June 7, 2012

 

cigarette

Why Cigarette Smoke is Blue–or White

We know that some nasty things are happening to the lungs, but why does the smoke change color?

January 19, 2012

 

clouds in the sky

Why Are Clouds White?

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

February 25, 2010

 

hidl_040

Why Are Some Headlights Blue? High Intensity Discharge Lamps

Have you seen cars with headlights that appear blue?

August 13, 2006

 

a mans fist with a wedding ring

Cloak of Invisibility

Some scientists think that we have the materials and know how to make invisibility a reality!

March 8, 2006

 

traffic_light

Science Joke (Light Shift)

What's the best thing about having a rocket-powered car? If you go fast enough, the red lights look green!

January 22, 2006

 

prism

See the Heat

Do all of those bands of color have the same temperature?

June 30, 2005

 

Blue Birds Ain’t Blue

One of the loveliest sights an ornithologist runs across is the iridescent blue found in some birds’ plumage. Sure, cardinals have red feathers and finches have yellow feathers, but if you ever run across the gleaming, almost metallic-looking blue of an indigo bunting, you won’t forget it. The colors shimmer and shine like oil on water. Learn more on this Moment of Science.

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