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Posts tagged heat

September 1, 2011

 

Heating Your Kitchen With Your Refrigerator

All the refrigerator does is move heat, or energy, from one place to another. As the food inside the refrigerator loses its heat and gets colder.

August 19, 2011

 

What Is An Enhanced Geothermal System?

We need cleaner, more sustainable sources of energy, right?

April 8, 2011

 

Snuff: How Candle-Snuffers Work

Why doesn't the flame just continue to burn underneath the bell, no matter how flat you crush it? The answer is air.

March 22, 2011

 

Inside Your Thermostat: How Two Pieces Of Metal Work Together

You may have looked at your thermostat and saw a piece of metal. Learn how the metal strip controls them temperature of your house.

March 4, 2011

 

The Little Ball That Couldn’t

There are some balls that are specifically designed not to bounce. The question is, how do these so-called 'dead balls' not bounce?

July 7, 2010

 

Why Do Mexican Jumping Beans Jump?

You may have held Mexican jumping beans as a child and wondered how they work. The answer may surprise you...

June 2, 2010

 

Why Does Ice Cream Melt On A Hot Day? The Answer: Heat Conduction.

It's human intuition that something cold left outside in the sun will melt... but why?

April 22, 2010

 

Kinetic energy means the amount of motion the molecules in the nail have, or how much they jostle against each other. To produce more heat, start jostling those molecules again after they've calmed down. You won't ever run out of heat.

What Is Heat?

Heat was once thought to be a liquid. However, we know know that heat is a measure of kinetic energy.

October 28, 2009

 

Big Bill Chill

Scientists are learning how the Toco toucan uses its oversized bill to cool down.

October 7, 2009

 

A Brief History of the Early Earth

What is our earth's history? New research suggests that life on Earth has existed without interruption for longer than we thought.

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