tags: Antihelium, science, humor, streaming video
In this streaming video, Jay Leno and Josh Duhamel sniff some gas .. some sulphur hexaflouride to be exact, and make an interesting discovery. Josh's laugh is funny [1:59]
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Fun with AntiHelium
Topic Categories: Humor • Streaming videos
Posted on: July 19, 2007 8:59 AM, by "GrrlScientist"
Comments
This is too cool!
Posted by: Patrick | July 19, 2007 10:14 AM
Hilarious! The scientific explanation was a little weak, but obviously was chosen as a layman's response.
Posted by: Webs | July 19, 2007 3:12 PM
Well, that explanation is just plain wrong. What the "anti helium" does is cause the vocal cords to vibrate more slowly (lower frequency/pitch) because it is more dense. Conversely, helium (being less dense) causes the vocal cords to vibrate faster (higher frequency/pitch).
An analogy would be using a whisk to beat two different substances in a bowl. If the bowl has water in it, you can move the whisk much faster (higher frequency) than if the bowl contains, say, Karo syrup (lower frequency).
Posted by: cope | July 20, 2007 9:33 AM
Oops. I thought they were talking about a gas consisting of atoms, each atom with a nucleus made of two antiprotons and two antineutrons and two positrons in orbitals around it.
Posted by: John Morrison | July 20, 2007 5:40 PM
Hi. Just thought I'd let you know that SF6 is the strongest greenhouse gas yet known, over 20,000 times as potent as carbon dioxide. Just letting a pound of this stuff into the environment is equivalent to running two passenger cars for a year.
In light of its environmental impact, I'd encourage you to rethink the coolness of this experiment.
References:
http://www.epa.gov/highgwp/scientific.html
http://www.epa.gov/otaq/consumer/f00013.htm
Posted by: Fred | October 23, 2007 5:06 AM