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A new type of laser uses sound waves to help to detect weak forces
Dr. B's Technology Spotlight: Laser Beams That Produce Sound
Digital Merchandising: Use Sound Like a Laser Beam | Reality Interactive
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Soundlazer Parametric Speaker Shoots Sound Like a Laser Beam
Is it possible to make a laser but for sound? - Quora
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Laser + mirror + sound - YouTube
A new type of laser uses sound waves to help to detect weak forces
New Laser Tech Allows You to Whisper Messages From 100 Feet
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How to Transmit Audio with a Laser Pen: Best Method