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Daniel developed, on
his own, a technique known as echolocation,
where you emit a sound and the sound wave bounces
off of all the objects in the room and comes
back to your ears
his own, a technique known as echolocation,
where you emit a sound and the sound wave bounces
off of all the objects in the room and comes
back to your ears
Full Transcript
00:00:01.000 --> 00:00:04.292
- Daniel developed, on
his own, a technique
00:00:04.292 --> 00:00:08.417
known as echolocation,
where you emit a sound
00:00:09.792 --> 00:00:13.208
and the sound wave bounces
off of all the objects
00:00:13.208 --> 00:00:15.708
in the room and comes
back to your ears.
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Movie Summary
Discover history's most mysterious and bizarre inventions, people and things. From a 440-pound Syrian bear turned soldier to a man who survived a 43-inch iron bar shot through the head.