Posted on 12/07/2018 12:39:21 PM PST by ETL
:)
The music would be different on the two elevators.
Of course it works, however it is not a true zero-gravity environment.
Our satellites and the ISS are also in 'artificial' zero gravity environments. They are subject to both gravity and centrifugal force. That is not the same as being in a true zero gravity environment. I doubt that we have had anything, ever, in a true zero gravity environment. It may not even be possible to find a place where there is no gravitational pull.
The force of gravity varies depending on exactly where you are on the surface of Earth. This would infer that two atomic clocks, on the surface, but in two distinct locations should also show a 'difference' in time.
In theory. We actually don't know as we can't actually measure whether they are or not.
In theory. We actually don't know as we can't actually measure whether they are or not.
Well, since they have mass they are a source of gravity. However, compared to the other forces (normally) operating at that small scale, gravititational effects are practically zero. Now if we are talking about the very tiny region inside a black hole, the "singularity", then things are likely very much different. There you have an immense gravitational field at the atomic/quantum scale. Weird things surely must be going on there.
P.S. Since people at the equator are moving faster and the pull of gravity is reduced by centrifugal force, compared to people who live near the poles, one would think that ‘time’ would be affected and ‘different’ for those two groups.
SO... I wonder what the gravitational pull is at the exact center of a planet or star ?
Yes, but far too small to matter.
Doesn’t an atomic clock measure ‘time’ by the decay of cesium atoms (or something similar) ?
There have been theories that the decay of certain particles, which are used to do carbon dating (or the decay or radioactive particles like Uranium), have changed over the eons, likely due to a change in the environment (The Sun and it’s dance with the Earth).
So, if it could affect radiocarbon dating, couldn’t it affect these atomic clocks ?
Likely true.
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And they do!
That is why the current time standard is in orbit (the GPS constellation)
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>> “Our satellites and the ISS are also in ‘artificial’ zero gravity environments” <<
False! Due to centripetal force, they are in an accelerated environment.
Actually, they refer to it as MICROGRAVITY.
Bump to read.
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Who is “they?”
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