Air and sound have a few things in common. For one, they are both things we use to live and sense every day of our lives. For another, even though they are such a big part of our lives, we've never actually SEEN them with our own eyes. Sure, we've seen representations, but have you ever seen air move? Well, a technique called Schlieren Optics is about to do just that. This first video will introduce you to it, and the second includes some more amazing examples of air moving (from a candle, from a hair blower and many other sources). |
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How Can You Recognize a Fake Gadget Before Buying It?
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Is There Any Way To Destroy or Deflect Asteroids?
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8 Lies We've Been Told About Electricity
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Incredible: This Man Got the First Double-Arm Transplant
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