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Science Wire
Echo-Logic (Webcast)
Date: May 18, 2002
Running Time: 00:41:34
Produced by students from San Francisco's Aim High Program. Today they ask, how do our ears work? Can we communicate without words? How do whales communicate under water? Why don't bats slam into trees as they fly? Middle school students will interview Exploratorium Educator Ken Finn on guitar, Biologist Dr. ... More »

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00:41:34
Echo-Logic (Webcast)
5/18/2002   
Produced by students from San Francisco's Aim High Program. Today they ask, how do our ears work ...
 
12:25:46
Sound Advice (Webcast)
5/4/2002   
Why do many things sound different underwater? How are echoes made? Can you feel or see sound? ...