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Posts tagged electrons

June 12, 2015


gecko climbing up glass pane

NASA’s Gecko Grippers

NASA has designed a new grappling tool based on geckos' foot grips.

January 24, 2014


A section of brick wall

Why We Can’t Walk Through Walls

Shadowcat must use magic to walk through walls. She's definitely not using physics!

July 25, 2013


hundreds of colored balloons in the sky

Could You Actually Float Your House Away Using Helium Balloons?

A baby grabs the string of a single helium balloon and floats right out of its baby carriage. Why can't people really float into the air using helium balloons?

February 18, 2013


drawing of a man being shocked by electricity

Ben Franklin And A Very Furry Situation

Not many people remember that Franklin was an inventor . . . and a good one, too! He also did some pioneering work in physics.

August 3, 2012



Why Does Plastic Wrap Cling To Itself?

Plastic wrap clings for two reasons: it's elastic and it's sticky. Let's explore the chemistry beneath the elasticity and stickiness of plastic wrap.

April 20, 2012


chocolate with anxioxidants

Are Antioxidants The Fountain Of Youth?

Reading ads for antioxidant supplements, you'd think you'd found the fountain of youth. What are antioxidants and how do they work?

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!

August 11, 2010


Hands around an atom

Atomic Theory And Why The World Is, For The Most Part, Empty Space

Find out why the world, as we know it, is mostly empty space.

April 1, 2010



Sunlight Into Power: Thermal Solar Devices And Photovoltaic

There is much talk about turning sunlight into power... Learn more about the technology at play.

July 13, 2009


Colorful effect of the aurora borealis in Canada

The Northern Lights Or Fluorescent Light?

The next time you long for the romance of the northern lights, switch on a fluorescent lamp! There may be less mystique, but the principle will be the same.

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