On 3/10/10 9:56 AM, "fipo" <fipo at optonline.net> wrote: > Now, the scientists apparently spent 3.7 billion years counting > the oscillations of the aluminum clock, and decided that it was > only accurate to about 1 second. > Shouldn't they spend another 3.7 billion years to double check > their findings. Depends on if you use a GPS unit I guess. - 73 de Mike N3LI -