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Posts tagged physics

September 25, 2012


bubbles floating in the air

Creating Bubbles

If you've ever wondered why blowing on a thin film of soapy water creates bubbles, this is your lucky day.

September 17, 2012


an illustration of a man shooting a 17th century musket

Measuring The Speed Of Sound

Gunshots for science? 17th century scientist first attempts to measure the speed of sound.

September 12, 2012


leaves in a green forest

Leaves Inspire Better Solar Panels

While solar panels typically have smooth surfaces, leaves have tiny wrinkles and folds that allow for maximum light absorption.

August 24, 2012


restaurant with Calories sign

How Do Scientists Measure Calories In Food?

A food Calorie represents the amount of energy that will raise the temperature of one kilogram of water one degree Celsius.

August 15, 2012


roasted chicken on cutting board

How Does Food Cook After Taking It Out Of The Oven?

When you take a roast out of the oven, the inner temperature will continue to rise by five degrees. How is it possible for the temperature to rise?

August 8, 2012


jean millet's work in frame

How X-Ray Technology Is Helping Examine Millet’s Artwork

In the 1840s, a new painting by Jean Francois Millet was unveiled in Paris. But, horror of horrors, no one seemed to like it!

July 17, 2012


plaque for birthplace of Count Rumford

A Boring Program: The Concept of Friction

What do you know about Count Rumford? Learn about him on this Moment of Science.

July 9, 2012


scotch tape dispenser

What Makes Tape Sticky?

Ever wonder about the physics behind your everyday office supplies?

July 2, 2012


emergency fire hose

Cold Water And Fire

Everyone wants to know what to in case of a fire. Will cold water work better?

May 21, 2012


needle floating in a plate of water

The Floating Needle

Here's a neat experiment you can try at home!

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