Sound

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Articles about Sound

1,057 published items.

Can shoot down unmanned aircraft with sound
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Can shoot down unmanned aircraft with sound

Unmanned aerial vehicles (UAVs) have long been extremely dangerous weapons with military reconnaissance and lightning attack capabilities but are difficult to detect. Ho…

December 18, 2018
What's inside of IBM's quietest room in the world?
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What's inside of IBM's quietest room in the world?

Inside the center, there are 6 soundproofed underground rooms to completely remove all sound from sound waves, physical vibrations to external electromagnetic radiation.

December 18, 2018
Why do people have earwax?
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Why do people have earwax?

Earwax has the function of protecting, preventing infections, preventing dust and helping the ears from being shocked by the sounds that are too loud

December 18, 2018
Break the mystery around the sound barrier image
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Break the mystery around the sound barrier image

The moment a fighter plane created a cone from steam, when it gradually reached supersonic speed, it was recorded by photographers in many impressive photographs.

December 18, 2018
The spy tools are more
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The spy tools are more

Many people will be surprised to know, even the famous 007 spy is not sure to own these super spy tools.

December 18, 2018
Why can't oil dissolve in water?
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Why can't oil dissolve in water?

Have you ever washed your hands full of oil and realized that it could not be washed with water?

December 18, 2018