October 23 is Mole Day and we celebrate Avogadro's number. But what is a mole and how do you find it?
The post Even Avogadro Didn’t Know Avogadro’s Number appeared first on WIRED.
Even Avogadro Didn’t Know Avogadro’s Number
How on Earth Could Trucks Move This 1,000-Ton Load?
This video shows a very massive pressurized vessel being transported by a giant trailer. Why is the trailer so large? Why are there so many trucks?
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The Supermoon Isn’t Super. It’s Just the Moon
Everyone likes to talk about the supermoon, but it really isn't that special. Here's why.
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Just How Far Can a Motorcycle Lean in a Turn?
In MotoGP races, you will often see motorcycles in a turn with extreme lean angles. Can we calculate the lean angle based on turning acceleration and coefficient of friction? Yes.
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I Used Physics to Calculate How Much Yoda Weighs
In The Empire Strikes Back, Luke does a one-armed handstand with Yoda balanced on his foot. Using this, I can estimate the mass of Yoda.
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Watch This Leaping Great White Shark Get Some Serious Air
This awesome video shows a shark jumping out of the water like a rocket. What can we learn from a video analysis?
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