View Full Version : Atomic Clock.
arnisador
09-19-2003, 02:02 AM
My wife got me something I've been wanting--one of those "atomic clocks" that resets itself constantly to the correct time by radio waves (which doesn't make them atomic, but I don't care). I think it's very cool. In fact we got a second one and so finally there are two clocks in the house that show the same time!
Rich Parsons
09-19-2003, 02:05 AM
Arni,
They could still be atomic clocks, if the signal source is the atomic clock.
The question I have is what is the delay or lag, and is calculated into the transmission?
:D
arnisador
09-19-2003, 02:10 AM
Heh. Let's see, the speed of light is about 2.9979E8 m/s, but that's in a vacuum... :D
In fact it does check what region of the U.S. you're in.
Rich Parsons
09-19-2003, 05:02 PM
Originally posted by arnisador
Heh. Let's see, the speed of light is about 2.9979E8 m/s, but that's in a vacuum... :D
In fact it does check what region of the U.S. you're in.
Now you see the advantages of a good Mathematical / Science background.
Nice sig figs also. Thread drift, I once lsot a question on Quiz bowl because I gave too many sig fig for the announcer. They did not specify so I gave to what I knew. It was only 4 after the decimal yet it confused him. :D
The things you remember
;) :rolleyes:
Phil Elmore
09-19-2003, 05:35 PM
:D
arnisador
09-19-2003, 08:38 PM
Mr. Elmore, I think you just selected my Xmas present from my wife!
Phil Elmore
09-19-2003, 08:46 PM
It's not really an "atomic watch" (though for all I know they make them). It's just that I'm such a nerd that I set my watch obsessively to the "official" time.
arnisador
09-19-2003, 08:50 PM
Well, now I'm disappointed.
Ah, a Yahoo! search on "atomic watch" gets many hits, and of course a variety of false positives! They're out there. You could get one and save yourself the trouble of setting it. I certainly will!
E.g.:
http://www.gadgets4sure.com/product.asp?ProductID=12889&DepartmentID=426
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