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S3 Ep 1 - Sound Waves
22m
Sound - you don’t think much about it, but futurists and entrepreneurs do. Chuck Pell catches up with two college-age inventors who’ve created a fire extinguisher that puts out fires - with sound waves. Another inventor has created a ‘sound cloaking’ device that could make submarines invisible to sonar. And sound waves can also be used to defy gravity - provided you can generate enough noise.