[time-nuts] gravity, space and time
albertson.chris at gmail.com
Sat Dec 13 12:20:03 EST 2014
On Sat, Dec 13, 2014 at 3:11 AM, Simon Marsh <subscriptions at burble.com>
> Of course, a collection of distributed, very accurate clocks does already
On course we have had distributed clocks for centuries now. They keep
getting better but those clocks in the GPS satellites are not nearly good
enough to detect gravity waves. To do that I think you need about 1E-16 in
the short term. This is way past what anyone can fly in space in the
reasonably near term future.
But if you had such clocks you could detect all kinds of things from
minerals underground to black holes in space. But today GPS is not close
to being able to see these tiny effects. Maybe in the next century?
> And there was a recent paper using this with a similar approach as you are
> suggesting, not for gravitational waves, but in the hunt for dark matter:
> On 12/12/2014 20:42, folkert wrote:
>> If I understood it well, we should occasionally encounter gravitational
>> waves going through, well, the whole galaxy. As time and space are
>> intertwined, those ripples may be measured somehow I guess.
>> Isn't this that "we as time nuts community" can help the scientific
>> world with? E.g. create some kind of grassroots effort where our very
>> accurate clocks can detect this? I can imagine all kinds of reasons
>> that existing infra for this may not always be able to detect this on
>> its own.
>> What do you think?
>> Folkert van Heusden
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Redondo Beach, California
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