[time-nuts] A small piece on HP's hydrogen maser in 1968
tshoppa at gmail.com
Wed Feb 26 11:12:21 EST 2014
"Gravity Probe A" used Hydrogen Masers to verify gravitational rate change.
1976 and suborbital, so not exactly the same as "Red Shift" mentioned in
the HP note.
I myself participated in a variation of Pound-Rebka-Snider (Mossbauer
nuclear physics techniques) in the 1980's.
On Mon, Feb 24, 2014 at 7:53 PM, Jim Lux <jimlux at earthlink.net> wrote:
> On 2/24/14 8:17 AM, Poul-Henning Kamp wrote:
>> In message <CAA-F0u_jBZ5dyB+hacMwFPkz6VhFo7arZ+
>> JpsmhrT9Uss2nWPQ at mail.gmail.com>
>> , Pete Lancashire writes:
>>> pages 8 & 9
>> As far as I know, those satellites never made it to orbit ?
> Wasn't that Gravity Probe B.. which finally launched in 2004, and had
> equivocal results.
>> Also: You can just see the writer twist his brain in order to get
>> to that final punch-line :-)
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