rachael underwood

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WIRED Space Photo of the Day 2013

PhysicsWhy Do You Feel Lighter at the Top of a Ferris Wheel?<p>Author: Rhett AllainRhett Allain<p>EcologyHow Plastic Straws Slip Through the Cracks of …

AP Physics:How Do Pulleys (Do) Work?

Learning Objectives<br>Students will explore the significance of work by experimenting with pulleys.<br>Assessment Type<br>This activity is meant to partially …

AP PhysicsTeaching waves with the iPad

Learning Objectives<br>Students will be able to demonstrate their knowledge of wave terminology, the principle of superposition, and resonance using iPad …

[1305.3947] On the performance of Usain Bolt in the 100 metre sprint

Physics > Popular Physics<p>Title: On the performance of Usain Bolt in the 100 metre sprint<p>Abstract: Many university texts on Mechanics deal with the …

Physics

AP Physics:The Kinematics of Plants vs Zombies

Learning Objectives<br>• Students will be able to apply equations of motion to the video game, Plants vs Zombies<br>Assessment Type<br>This lab activity asks …

Animated GIFs of deep space objects in 3D

These animated images – created via artificial volumetric models – help convey the idea of what these space objects must really be like.<p>Developed in …

GIF Animations

"Other Universes are Pulling on Our Universe" -- New Planck Data Triggers Controversy (Today's Most Popular)

"Such ideas may sound wacky now, just like the Big Bang theory did three generations ago," says George Efstathiou, professor of astrophysics at …

Satellite Creates First Global Gravity Map of Earth

Using only two months of data, the GOCE gravity-tracking satellite has built the first-ever full map of Earth's gravitational field.<p>The map, called a geoid, reflects the bumps and valleys of Earth's gravitational effects. The map shows what the Earth would look like if it was covered in an ocean …

Yahoo!

Sorry, the page you requested was not found.<p>Please check the URL for proper spelling and capitalization. If you're having trouble locating a destination on Yahoo!, try visiting the <b>Yahoo! home page</b> or look through a list of <b>Yahoo!'s online services</b>. Also, you may find what you're looking for if you …

Physics: The time lord and fellow travellers

As television's time-bending <i>Doctor Who</i> turns 50, Andrew Jaffe explores time travel in fiction and science.<p>In 1963, an extraterrestrial burst from his …

Time Travel

Bet You Never Knew a Teapot Had a Physics Mystery: Well, It’s Just Been Solved

Put a kettle on a burner and within a few minutes, it whistles, or “shouts” as the popular children’s song “I’m a Little Teapot” goes.<p>Bet you didn’t know just that how this teapot whistles was a mystery to scientists — until now.<p>(Source: Shutterstock.com)<p>Cambridge University researchers recently …