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WIRELESS SUBWAY SPEAKERS — Safety

WIRELESS SUBWAY SPEAKERS -- Safety

A new wireless public address system can improve safety in emergency situations.

Air Date:11/11/1996

Scientist:

Transcript:

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WIRELESS SUBWAY SPEAKERS

AIRCRAFT NOISE REDUCTION

CUSTOMS AND TRADITIONS

Order Jim Metzner's novel, "Sacred Mounds"

"This is a rollicking, thought-provoking, rollercoaster of a novel. It's time travelling on steroids, but it asks big questions. Bravo!" -- Ken Burns, filmaker

He spent decades recording soundscapes. Now they're going to the Library of Congress.

Announcing the
American Soundscapes Project where you can hear the work of some of the best sound recordists in the world and contribute sounds that are significant to you.

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