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Laser of sound promises to measure extremely tiny phenomena

  • Written by Mishkat Bhattacharya, Associate Professor of Physics and Astronomy, Rochester Institute of Technology
Laser of sound promises to measure extremely tiny phenomenaThe crests (bright) and troughs (dark) of waves spread out after they were produced. The picture applies to both light and sound waves.Titima Ongkantong

Most people are familiar with optical lasers through their experience with laser pointers. But what about a laser made from sound waves?

What makes optical laser light different from a light bulb or...

Read more: Laser of sound promises to measure extremely tiny phenomena

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