When did Horizon Season 30 Episode 15 air?
Horizon Season 30 Episode 15 aired on April 19, 1993.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon reports on scientists who are planning smart aircraft wings and smart buildings that can sense earthquakes.
Direct answers for episode-level questions and details.
Horizon Season 30 Episode 15 aired on April 19, 1993.
This episode runs for approximately 60 minutes.
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