black holes Archives

GNC-2008-01-18 #340

January 18, 2008April 26, 2021 by Todd Cochrane

Feels great to be back in the swing of things lots of comments and voicemail feedback at the end of the show glad you enjoyed teh CES back channel regular videos to be pushed online soon. Sponsors: Special Promotion code… Read More

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What’s the Sound of One Black Hole Singing?

September 17, 2003 by Todd Cochrane

What is the tone that a black hole makes when it sings? It’s a sound so low that it will send chills up your spine. The tone, a B flat 57 octaves lower than middle C, which is 256 Hertz. Sounds as low as the black hole singing are detected as pressure waves, rather than as sounds.