Nov 272014
 
Tuning Fork Demonstrations Will Blow Your Mind

Most people know what a tuning fork is, but do you really know what’s going on with a tuning fork? It’s not just a simple musical tool. Physics teacher James Lincoln of Arbor Scienific demonstrates ten awesome tuning fork experiments that will blow your mind in this trending video. Learn more about the demonstrations here

 


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Nov 232014
 
Schlieren Optical Technique Incredibly Shows The Flow Of Heat And Gas

Using Schlieren flow visualization, Harvard Natural Sciences Lecture Demonstrations can show small changes in the air that would usually go unseen by the naked eye. By pointing a light at a concave mirror and focusing the light onto the edge of a razor blade in front of a camera, the heat of a candle or helium from a balloon can be seen. Incredible!

NPR covered this technique back in April. 

 


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Nov 202014
 
Why Do Rivers Curve

Across the globe, rivers almost never run straight. Why is that? All it takes to turn a straight river into a curvy, winding one is a little disturbance and a lot of time, Minute Earth explains. Let’s say some muskrats dig a den near the edge of a river, that will cause the river to flow stronger on one side than the other. Over time, that will create a curve. 

 


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Nov 102014
 
Why Do We Like Our Own Farts

It may be crude, but it’s often the case. There’s no other way to say it: most people like the smell of their own farts. But why? As gross and hilarious as it may seem, scientists have confirmed that in a blind smell test, people prefer the smell of their own gas to other people’s brew. Asap Science explains why in this ridiculous educational video

 


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Nov 062014
 
Space Station Astronauts Put GoPro Into Floating Water Bubble

Astronauts spend their time on the International Space Station working on science experiments that can only be done in zero-gravity. But it’s not just hard work and number crunching. In this new video by NASA’s Marshall Center, a group of astronauts create a large bubble of floating water and then put a waterproof GoPro camera inside it. You know, for science!

 


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