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Om mantra chant (listen 111 times)

The om mantra, considered the sound of the universe, has been revered for centuries for its ability to induce a state of ...
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NASA to monitor how the X59 supersonic plane sounds

NASA will use 30 ground recording stations to monitor the sound produced by the X-59 QueSST experimental aircraft. Learn more about the equipment they will be using here. Credit: NASA Trump threatens ...