NASA engineers recently went on an auricle ride as a scale model of the Space Launch System (SLS), including solid rocket motors, was fired - giving an "earful" of information about how low- and high-frequency sound waves will affect the rocket on the launch pad.
View: Photos of the Day: Testing a Mini Model of World's Largest Rocket
- Read more about NASA Turns Down the Volume on Rocket Noise Through SLS Scale Model Acoustic Testing
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