What Makes Frozen Lakes Sing?

This winter solstice we take on a cold case: what’s the physics behind the strange twanging of frozen lakes? Turns out it's the same physics that gave us the iconic Star Wars blaster sound.
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Credits:
Produced by Ryan Kellman and Adam Cole
Senior Editor: Alison Richards
Supervising Editor: Anne Gudenkauf

Thanks to Cory and Kristen at LiveEachDay for the question:
https://www.youtube.com/liveeachday

Thanks to Rick Aster for the sound of icebergs colliding (sped up by a factor of 100):
http://onlinelibrary.wiley.com/store/10.1029/2008JF001005/asset/jgrf526.pdf;jsessionid=69EC8D0D37823D7D08E0D9A0B4D38FC7.f04t02?v=1&t=iwz0jqig&s=006ac1343cb2b9e3d9eac12b0b26940324473a18

Thanks to Terje Isungset for a chance to share his Ice Music:
http://isung.no/

Thanks to Andreas Bick for his amazing recording of a singing lake:
https://silentlistening.wordpress.com/2008/05/09/dispersion-of-sound-waves-in-ice-sheets/

Thanks to Dave Kolesar at WFED for giving us access to a radio tower.

Music credit: Funny Sweater by Jonathan Elias and Sarah Trevino

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Видео What Makes Frozen Lakes Sing? канала NPR's Skunk Bear