Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

One ten-billionth K

  1. Oct 29, 2003 #1
    I was reading Discover (November 2003), on pg 18 Ask Discover, it says "Absolute zero cannot be reahed experimenally, but scientsts have cooled small samlples of atoms to just one ten-billionth of a degree above absolute zero."

    How could scietists cool the sample to such a low temperature ?
  2. jcsd
  3. Oct 29, 2003 #2

    Ivan Seeking

    User Avatar
    Staff Emeritus
    Science Advisor
    Gold Member

    Hey KL :wink:

    LASER Cooling

    http://www.bell-labs.com/user/feature/archives/chu/ [Broken]

    http://www.sccs.swarthmore.edu/org/phoenix/2001/2001-03-22/news/10875.html [Broken]

    A note on Chu; I saw him a few years ago at Stanford. He spoke for quite some time about the importance of encouraging imaginative thinking.
    Last edited by a moderator: May 1, 2017
  4. Oct 30, 2003 #3
    Thanks Ivan.

    PS. I was in a hurry and didn't notice those spelling mistakes in the first post.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook