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In this activity, learners listen to songs and decode hidden messages based on the same principle as a modem. As a final challenge, learners decode the binary messages in a music video.

free Ages 6 - 18 30 to 45 minutes
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From this How To slide show, you create an Audio Tape Bow that can play distorted audio sounds by running it across a tape head.

$1 - $5 per student Ages 8 - adult 45 to 60 minutes