When a rocket launches, it creates a ton of sound! How do we stop the sound from causing hearing damage and knocking down buildings? Trace is joined by Amy Shira Teitel to discuss. Follow Amy on Twitter: https://twitter.com/astVintageSpace Check out Amy’s YouTube channel: https://www.youtube.com/vintagespace Read More: Sound is a Pressure Wave http://www.physicsclassroom.com/class/sound/u11l1c.cfm “Sound is a mechanical wave that results from the back and forth vibration of the particles of the medium through which the sound wave is moving.” NASA Turns Down the Volume on Rocket Noise Through SLS Scale Model Acoustic Testing http://www.nasa.gov/sls/smat-acoustic-testing.html#.VCmrbSldVoc “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.” NASA’s Next Rocket Is So Big, the Sound of It Launching Could Damage Buildings http://motherboard.vice.com/read/nasas-next-rocket-is-so-big-the-sound-of-it-launching-could-damage-buildings “Earlier this summer, NASA took a ‘sound ride’ on a small-scale SLS rocket, which gave engineers an idea of how the acoustics of NASA's massive new launch platform will work.” Watch More: How Scientists Slowed Down Time https://www.youtube.com/watch?v=CwkT-4vL3BA Can You Hear Sound in Space? https://www.youtube.com/watch?v=MqF3pPU1Z4U ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube http://testtube.com/dnews Subscribe now! http://www.youtube.com/subscription_center?add_user=dnewschannel DNews on Twitter http://twitter.com/dnews Trace Dominguez on Twitter https://twitter.com/tracedominguez Tara Long on Twitter https://twitter.com/TaraLongest Laci Green on Twitter http://twitter.com/gogreen18 DNews on Facebook https://facebook.com/DiscoveryNews DNews on Google+ http://gplus.to/dnews Discovery News http://discoverynews.com Download the TestTube App: http://testu.be/1ndmmMq