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Posts tagged physics

November 9, 2012

 

ice cubes close up

How Does Ice Cool Drinks?

Drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work?

November 8, 2012

 

solar cells

Flexible, Transparent Solar Cells

Scientists have developed flexible, transparent solar cells that can be applied to windows, electronic devices, and really any surface!

November 1, 2012

 

Otis elevator mark in old elevator

The History Of Otis Elevators

In the 1850s, the height of buildings was limited by the number of stairs people were willing to climb... until Otis came along.

October 19, 2012

 

moon craters up close

Create Your Own Moon Craters!

What makes science really fun is when you get to do things yourself, so today we're going to be making moon craters.

September 26, 2012

 

lava lamp in shadow

The Physics Of A Lava Lamp

There are two ingredients inside a lava lamp: a watery liquid, and a waxy compound that collects at the bottom when the lamp is turned off.

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?

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