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These multimedia links will be listed for an indefinite period because of the learning opportunity they present

Einstein's Big Idea: Time Traveler
Jenny Lisle | NOVA - interactive
One of Albert Einstein's greatest insights was realizing that time is relative. It speeds up or slows down depending on how fast one thing is moving relative to something else. How much does it change? In this feature originally designed for students in 1996, "Captain Ein" and "Major Stein" have volunteered to help you find out. Send Captain Ein on a round-trip journey to a star and then compare her age with Major Stein's on Earth.   6/27/2005
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Einstein's Big Idea: The Light Stuff
Karen Hartley | NOVA - interactive
Einstein was enthralled by light. Even as a teenager he pondered its properties. At 16, he imagined what it would be like to chase, catch up with, and ride on a light beam. When he started thinking more seriously about light, he questioned the thinking of his day—that it traveled through a medium dubbed "ether," and that its speed was determined by how fast its source moved through this mysterious substance. Einstein realized that the speed of light—about 186,000 miles per second—is constant whether it comes from a moving source such as a speeding car's headlights or an unmoving source such as a ceiling light. But here's the catch: The speed of light is constant only in a vacuum, a place where there's no matter, like the vast emptiness of space. Here on Earth, the speed of light can slow down.    6/27/2005
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Einstein's Big Idea: E = mc2 Explained
podcast | NOVA
Hear how 10 top physicists describe the equation in a few minutes or less. by (multiple authors) on 6/27/2005
Hear whole story

Video: Frilled Lizard on the Run   12/31/2005   See Video

NOVA scienceNOW: Lightning    10/6/2005   View whole story

RNAi
PBS | NOVA scienceNOW - interactive
A wayward petunia leads to the discovery of modest little molecules with enormous medical promise.
What is RNAi and how does it work?  In this interactive, we'll show you in two different ways.
Research scientists are hoping that RNAi, already in human clinical trials, will treat a host of diseases, including AIDS, cancer, and Huntington's. 
by NOVA scienceNOW on 7/19/2005
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