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Professor from second-rate university thinks he's going to time travel



 
 
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  #31  
Old July 18th 18, 08:09 AM posted to sci.astro.amateur
Chris.B[_3_]
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Posts: 1,001
Default Professor from second-rate university thinks he's going to time travel

On Tuesday, 17 July 2018 18:05:24 UTC+2, Infantile wrote:

Is there some law that requires that all children named "Chris" be
dropped on their heads at birth? Or is there a law that any child
that shows evidence of mental retardation be named "Chris"?


Act 1, Scene 1. New child turns up for first day at the school of life.

Infant instantly prostrates itself on the floor and begins to kick wildly at the ankles of all adults present without apparent provocation.

Act n, Scene n. Same infant repeats failed, infantile behaviour.

Q: What, if any, is the purpose of your life?
Care to explain your abuse or self-abuse?
Is sympathy or empathy an appropriate response to your tragic behaviour?

Yes, we know precisely what you are. Absolutely no need to copy and paste your failed comedian's, catch phrase.

The obvious question is how you reached this epic, low point in such a short life.

Booze? Drugs? Laziness? Deflated ego? Failure to perform to other's expectations? Just plain nasty? Teenage angst? Serious doubts as to personal orientation? Fear of authority figures? Poverty? Shame? Internal religious conflicts? A "walking wounded" victim personality? Incontinence? Sleep or sensory deprivation? Bat your eyelids if a textual response is beyond your present capabilities. We are here to help. If we can.
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  #32  
Old July 18th 18, 08:36 AM posted to sci.astro.amateur
Gerald Kelleher
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Posts: 1,331
Default Professor from second-rate university thinks he's going to time travel

On Tuesday, July 17, 2018 at 2:34:47 PM UTC+1, Martin Brown wrote:


It is clear that you can travel into the distant future if you could
travel fast enough so that your clock age was relativistically slowed
compared to the stay at home observer.


People can make a career out of playing around with timekeeping including reliving the same physical experience with each day. There was once a slogan when travelling on Concorde that you arrive before you left and a person could, in practicality, experience noon twice or more as their meridian turned midway to the circle of illumination each day. The speed of the aircraft at the latitudes for London and New York allowed for the experience but much harder to achieve at the latitudes of the Equator.

They could also travel from New Zealand to San Fran and arrive long before they left but all these things are a quirk of timekeeping on a round and rotating Earth where time and distance is encapsulated within the 24 hour and Lat/Long systems.

These are the only perspectives acceptable when it comes to clocks and traveling at speed and although entertaining for a while are really conceptual dead ends. To be fair it does bring up motion in time and why we do not cheat the normal passage of time even when we now can experience noon twice in one day by crossing the date line or travelling faster than the Earth is turning at certain latitudes.



  #33  
Old July 18th 18, 12:40 PM posted to sci.astro.amateur
Chris.B[_3_]
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Posts: 1,001
Default Professor from second-rate university thinks he's going to time travel

On Wednesday, 18 July 2018 09:36:47 UTC+2, 1313½ wrote:
certain latitudes.


I suffer time dilation every time I read one of your nonsense posts.
Time seems to stretch to infinity. No doubt the same could be said for many of my own [posts.] So, does double time dilation double for an observer reading a long and tedious post quoting another long and tedious post?

I have always wondered about the foreshortening effect when using a telescope. If the distant mountains suddenly appear in the same perspective as a nearby object or person.. Doesn't the same hold true for images of deep space? The further way they are, in reality, the nearer they should appear in an image. The far reaches of the universe should appear much nearer depending on the image scale.

With you being the group's resident mathematician, cosmologist and all-round expert on astronomical telescopes. You would seem the ideal candidate to discuss this interesting phenomenon.
  #34  
Old July 18th 18, 03:11 PM posted to sci.astro.amateur
Quadibloc
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Posts: 6,893
Default Professor from second-rate university thinks he's going to time travel

On Wednesday, July 18, 2018 at 1:36:47 AM UTC-6, Gerald Kelleher wrote:
we do not cheat the normal passage of time even when we now can experience noon
twice in one day by crossing the date line or travelling faster than the Earth
is turning at certain latitudes.


Yes, that is correct. Time zones don't change the fact that it's the same time
everywhere; due to the Earth being a globe, the *time of day* is different in
different places, so we call the same time by different names in different
places.

So noon GMT, when people are eating lunch in Britain, is also called 6 PM
Central Standard Time, when people are eating supper in Saskatchewan. A
different part of the daily cycle in the two locations, but the same moment in
time in both, as a transatlantic long-distance telephone call could prove.

John Savard
  #35  
Old July 18th 18, 04:02 PM posted to sci.astro.amateur
Chris L Peterson
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Posts: 9,856
Default Professor from second-rate university thinks he's going to time travel

On Wed, 18 Jul 2018 07:11:09 -0700 (PDT), Quadibloc
wrote:

A
different part of the daily cycle in the two locations, but the same moment in
time in both, as a transatlantic long-distance telephone call could prove.


An example which leads to the fascinating concept of how space and
time are related, and the complexity of what "now" means given the
finite speed at which information can flow.
  #36  
Old July 18th 18, 04:44 PM posted to sci.astro.amateur
Jibini Kula Tumbili Kujisalimisha
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Posts: 258
Default Professor from second-rate university thinks he's going to time travel

You seem to have a very low opinion of yourself. I hear there are
drugs to help with that these days. You should take less of them.
Or all of them at once.

So dance, little monkey, dance, because it entertains me. And you
know you will.

"Chris.B" wrote in
:

On Tuesday, 17 July 2018 18:05:24 UTC+2, Infantile wrote:

Is there some law that requires that all children named "Chris"
be dropped on their heads at birth? Or is there a law that any
child that shows evidence of mental retardation be named
"Chris"?


Act 1, Scene 1. New child turns up for first day at the school
of life.

Infant instantly prostrates itself on the floor and begins to
kick wildly at the ankles of all adults present without apparent
provocation.

Act n, Scene n. Same infant repeats failed, infantile behaviour.

Q: What, if any, is the purpose of your life?
Care to explain your abuse or self-abuse?
Is sympathy or empathy an appropriate response to your tragic
behaviour?

Yes, we know precisely what you are. Absolutely no need to copy
and paste your failed comedian's, catch phrase.

The obvious question is how you reached this epic, low point in
such a short life.

Booze? Drugs? Laziness? Deflated ego? Failure to perform to
other's expectations? Just plain nasty? Teenage angst? Serious
doubts as to personal orientation? Fear of authority figures?
Poverty? Shame? Internal religious conflicts? A "walking
wounded" victim personality? Incontinence? Sleep or sensory
deprivation? Bat your eyelids if a textual response is beyond
your present capabilities. We are here to help. If we can.




--
Terry Austin

Vacation photos from Iceland:
https://plus.google.com/u/0/collection/QaXQkB

"Terry Austin: like the polio vaccine, only with more asshole."
-- David Bilek

Jesus forgives sinners, not criminals.

  #37  
Old July 18th 18, 04:51 PM posted to sci.astro.amateur
Quadibloc
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Posts: 6,893
Default Professor from second-rate university thinks he's going to time travel

On Wednesday, July 18, 2018 at 9:02:20 AM UTC-6, Chris L Peterson wrote:
On Wed, 18 Jul 2018 07:11:09 -0700 (PDT), Quadibloc
wrote:

A
different part of the daily cycle in the two locations, but the same moment in
time in both, as a transatlantic long-distance telephone call could prove.


An example which leads to the fascinating concept of how space and
time are related, and the complexity of what "now" means given the
finite speed at which information can flow.


I wanted to give him credit for something that he was right about. Noting that
this didn't in any way deny that Einstein was right would have just made his
head hurt. After all, if a simple concept like a uniformly ticking clock being
better for calibrating electronic circuits or timing chemical reactions than a
sundial continues to evade huim, there's hardly any point in trying to go
through how Special Relativity was dervied with im, is there?

John Savard
  #38  
Old July 18th 18, 04:55 PM posted to sci.astro.amateur
Quadibloc
external usenet poster
 
Posts: 6,893
Default Professor from second-rate university thinks he's going to time travel

On Wednesday, July 18, 2018 at 9:51:04 AM UTC-6, Quadibloc wrote:
On Wednesday, July 18, 2018 at 9:02:20 AM UTC-6, Chris L Peterson wrote:
On Wed, 18 Jul 2018 07:11:09 -0700 (PDT), Quadibloc
wrote:

A
different part of the daily cycle in the two locations, but the same moment in
time in both, as a transatlantic long-distance telephone call could prove.


An example which leads to the fascinating concept of how space and
time are related, and the complexity of what "now" means given the
finite speed at which information can flow.


I wanted to give him credit for something that he was right about. Noting that
this didn't in any way deny that Einstein was right would have just made his
head hurt. After all, if a simple concept like a uniformly ticking clock being
better for calibrating electronic circuits or timing chemical reactions than a
sundial continues to evade huim, there's hardly any point in trying to go
through how Special Relativity was dervied with im, is there?


It was Ford Prefect who said:

"Time is an illusion. Tea-time, doubly so."

Whether or not time is an illusion or a reality, time is at least relative, as
Einstein proved.

But even if time were absolute in the Newtonian sense, tea-time would still be
relative, because it depends on the directional relationship of your particular
longitude to the location of the Sun from the Earth.

So if time is relative, tea-time is indeed "doubly so".

John Savard
  #39  
Old July 18th 18, 07:22 PM posted to sci.astro.amateur
Barry Schwarz[_2_]
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Posts: 51
Default Professor from second-rate university thinks he's going to time travel

On Wed, 18 Jul 2018 07:11:09 -0700 (PDT), Quadibloc
wrote:

So noon GMT, when people are eating lunch in Britain, is also called 6 PM
Central Standard Time, when people are eating supper in Saskatchewan. A
different part of the daily cycle in the two locations, but the same moment in
time in both, as a transatlantic long-distance telephone call could prove.


Wouldn't that be 6AM and breakfast?

--
Remove del for email
  #40  
Old July 18th 18, 08:56 PM posted to sci.astro.amateur
Jibini Kula Tumbili Kujisalimisha
external usenet poster
 
Posts: 258
Default Professor from second-rate university thinks he's going to time travel

Quadibloc wrote in
:

On Wednesday, July 18, 2018 at 1:36:47 AM UTC-6, Gerald Kelleher
wrote:
we do not cheat the normal passage of time even when we now can
experience noon twice in one day by crossing the date line or
travelling faster than the Earth is turning at certain
latitudes.


Yes, that is correct. Time zones don't change the fact that it's
the same time everywhere; due to the Earth being a globe, the
*time of day* is different in different places, so we call the
same time by different names in different places.

So noon GMT, when people are eating lunch in Britain, is also
called 6 PM Central Standard Time, when people are eating supper
in Saskatchewan. A different part of the daily cycle in the two
locations, but the same moment in time in both, as a
transatlantic long-distance telephone call could prove.

I believe that the latest conspiracy theory among Flat Earthers is
that other Flat Earthers - *all* of them - are part of the
conspiracy, in that they like during that telephone call. That
literally the entire human race is part of the conspiracy against
them.

Yes, they really believe this.

--
Terry Austin

Vacation photos from Iceland:
https://plus.google.com/u/0/collection/QaXQkB

"Terry Austin: like the polio vaccine, only with more asshole."
-- David Bilek

Jesus forgives sinners, not criminals.

 




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