Ideas worth spreading

Hypersonic sound and other inventions

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Woody Norris |

TED2004

• February 2004

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?

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?

This talk was presented at an official TED conference. TED's editors chose to feature it for you.

About the speaker

Woody Norris

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Woody Norris is a serial inventor of electronics, tools and cutting-edge sonic equipment -- such as the LRAD acoustic cannon.

This talk was presented at an official TED conference. TED's editors chose to feature it for you.