A Moment of Science

Posts tagged mass

March 21, 2013

 

space walking astronaut

Why Is Gravity Good For Us?

Anyone who spends an extended period of time in space faces serious medical problems due to the near total absence of gravity.

July 20, 2012

 

Exoplanet Hunters at La Silla, Chile

Scientists Are Discovering New Exoplanets Every Week

Did you know it seems we're discovering a new exoplanet every week?

January 28, 2011

 

Inside an atom

Why The World Is Mostly Empty Space

The chair you're sitting on and even the computer you're reading could be considered empty space!

December 21, 2010

 

Leaning Tower of Pisa

The Physics Of Ramps: What Hits The Ground First?

Galileo's classic physics experiment looked at using a ramp!

December 20, 2010

 

The Empire State Building in New York, New York

Which Hits The Ground First: A Golf Ball Or A Bowling Ball?

Yes, the classic physics question is visited again. A Moment of Science learns about mass and gravity.

December 2, 2008

 

Man-Made Water Reservoir

Spinning Our Planet

Most people would imagine that the Earth's rotation would be immune to our tampering. As it turns out, this isn't the case.

August 6, 2008

 

swing

Swinging Physics: Potential And Kinetic Energy Working Together

How is swinging on a swing related to physics? What are potential and kinetic energy?

November 27, 2005

 

Bowling Down

Drop two objects of different mass, say a bowling ball and a golf ball, from a high building. Which hits the ground first? Learn more on this Moment of Science.

June 2, 2005

 

Now That’s Small

Right this minute your body is being shot through billions of times. Sound concerning? Learn more on this Moment of Science.

August 19, 2004

 

Higgs Field

The question of why particles have mass is one of the greatest problems in science today. Learn about "Higgs Field" on this Moment of Science.

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