Hypersonic sound and other inventions

7 CQ

Woody Norris shows off two of his inventions that use sound in new ways, including the Long Range Acoustic Device, or LRAD. He talks about his untraditional approach to inventing and education, because, as he puts it: "Almost nothing has been invented yet." So -- what's next?

Aired January 26, 2009

All TED content is available at www.ted.com

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    2 Comments
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    Clint S
    The grocery line thing is instantly annoying, other applications seem like good ideas tho
    appreciate appreciated
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    Flor Mireya a
    I've been always curious, that is why I became a teacher. Teaching is a profession in which curiosity plays a unique role to move forward learning.
    appreciate appreciated
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