Log in

No account? Create an account
An author of no particular popularity

Jay Lake
Date: 2007-10-27 11:34
Subject: [personal] Life's a beach, then you diet
Security: Public
Location:The Genre car, Del Rey Beach State Park, Seaside, OR
Music:beach noise
Tags:child, personal
Currently sitting in a parking lot at Del Rey Beach in Seaside, OR. the_child and tillyjane are out beach riding with two guides. I'm ratkilling online so I can write later.

the_child asked me recently why one's voice changes so oddly when breathing helium. I am stonkered by this. Any suggestions?
Post A Comment | 5 Comments | | Flag | Link

Ross E. Lockhart
User: lossrockhart
Date: 2007-10-27 18:57 (UTC)
Subject: (no subject)
From Wikipedia: "The voice of a person who has inhaled helium temporarily sounds high-pitched. This is because the speed of sound in helium is nearly three times the speed of sound in air. Because the fundamental frequency of a gas-filled cavity is proportional to the speed of sound in the gas, when helium is inhaled there is a corresponding increase in the resonant frequencies of the vocal tract. (The opposite effect, lowering frequencies, can be obtained by inhaling sulfur hexafluoride.)"
Reply | Thread | Link

User: elizaeffect
Date: 2007-10-27 18:58 (UTC)
Subject: (no subject)

The speed of sound in a gas depends on the properties of that gas. You're trying to talk using a much lighter gas, which bumps the frequency up and makes you sound like Mickey Mouse. :)
Reply | Thread | Link

cyperus_papyrus: omega nebula
User: cyperus_papyrus
Date: 2007-10-27 23:37 (UTC)
Subject: (no subject)
Keyword:omega nebula
I like the description here.

Notice the danger warning on trying the same trick with a heavy gas.
Reply | Thread | Link

User: desperance
Date: 2007-10-28 10:53 (UTC)
Subject: (no subject)
They name beaches after SF publishers? Yay!
Reply | Thread | Link

Jay Lake: funny-do_not_hump
User: jaylake
Date: 2007-10-28 16:11 (UTC)
Subject: (no subject)
You should see John Norman's inlet.
Reply | Parent | Thread | Link

my journal
January 2014
2012 appearances