<br><div class="gmail_quote">On Thu, Jun 30, 2011 at 16:09, Guy Harris <span dir="ltr"><<a href="mailto:guy@alum.mit.edu">guy@alum.mit.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
The latter is more complicated, given that the orbit and rotational speed of the ball in question weren't set up with reference to the energy level difference between the two hyperfine levels of the ground state of the cesium-133 atom, and that both change over time.<br>
</blockquote><div><br>*both*? Surely, sir, you jest. <br><br>I have a Cs atom calibrated by BIPM, preserved in a bottle of snake oil, which it breaks my heart to sell, but I have an old mother ...<br><br><br clear="all">
-- <br>Sanjeev Gupta<br>+65 98551208 <a href="http://www.linkedin.com/in/ghane">http://www.linkedin.com/in/ghane</a><br>
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