''TIME'' - definitions

Discussions on the philosophical foundations, assumptions, and implications of science, including the natural sciences.

''TIME'' - definitions

Postby socrat44 on January 16th, 2019, 2:16 am 

''TIME'' - definitions
==
Can ''Time'' exist without matter ?
No.
Therefore, the right definition of ''time'' is to say: ''Gravity-time''
We have Earth ''gravity-time''.
Another planets have their own ''gravity-time''
From ''gravity-time'' is possible to create another definitions of ''time''
( atomic time-clock , biological-time, local-time, psychological-time . . . . )
=====
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Re: ''TIME'' - definitions

Postby bangstrom on January 16th, 2019, 2:54 am 

Gravity is curved spacetime so time is one half of gravity. The other half is space. Space keeps everything from happening in the same place and time keeps everything from happening at once. I don’t know of any better definition for space and time.
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Re: ''TIME'' - definitions

Postby nicolle38 on February 10th, 2019, 1:41 pm 

[quote="socrat44 » January 15th, 2019, 11:16 pm"]''TIME'' - definitions
==
Can ''Time'' exist without matter ?
No."

Can Time exist? No. In my opinion, it is merely a concept....albeit a useful concept. Time, love, the Easter Bunny are all useful concepts that do not, in and of themselves, exist. There is no "river of time" except in our imaginations. There is only the Universal Now.

Experiments that attempt to show "time" effecting matter in some way all come back to the same problem....the timepieces. Because clocks (even atomic clocks) CAN be effected by outside influences (like gravity) but time itself can not. Concepts do not respond to gravity. There is no universal timepiece ticking away somewhere in the universe. There is only different concepts of "time". And concepts don't effect matter.
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Re: ''TIME'' - definitions

Postby Serpent on February 10th, 2019, 1:47 pm 

nicolle38 » February 10th, 2019, 12:41 pm wrote:Can Time exist? No. In my opinion, it is merely a concept....albeit a useful concept.

Just so!
It's a way to describe change. All measures of time are a function of matter and its rate of change.
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Re: ''TIME'' - definitions

Postby Lozza on April 1st, 2019, 3:40 am 

Time....an elaborate hoax developed by the Swiss in order to sell cuckoo clocks.

Sorry, I couldn't resist sharing the joke.

I agree with those that have stated that it's a concept we have developed in order to measure change. Is time relevant to the universe? We can't know, but I sincerely doubt it. We humans have made it relevant and have made it a useful tool for our purposes, but does it go beyond that? I kinda doubt it.
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Re: ''TIME'' - definitions

Postby socrat44 on April 1st, 2019, 6:29 am 

Time is rate of change.
Time is measure of change.
#
We live in constant artificial Earth gravity-time.
This Earth gravity-time for us is an absolute time.
In this constant Earth gravity-time we can see
many individual changes that can be measured
by artificial (second, hour,day, month, year) time.
This kind of time is also absolute for us:
Julius Caesar was assassinated on March 15, 44 BC
Max Planck died on October 4, 1947
====
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Re: ''TIME'' - definitions

Postby bangstrom on April 2nd, 2019, 12:59 am 

Einstein wrote a letter to Michele Besso’s family at the time of Besso’s death and about a month before his own. "Now he has departed from this strange world a little ahead of me. That signifies nothing. For those of us who believe in physics, the distinction between past, present and future is only a stubbornly persistent illusion."

Here are two more quotes about time:

Eddington (1920): “Events do not happen: they are just there, and we come across them... [as] . . . the observer on his voyage of exploration.”

Hermann Weyl (1922): “The objective world simply is, it does not happen. Only to the gaze of my consciousness crawling upward along the life-line of my body does a section of this world come to life as a fleeting image.”
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Re: ''TIME'' - definitions

Postby socrat44 on April 2nd, 2019, 6:54 am 

@ bangstrom
There are many-many quotes and opinions about ''time''
#
The biblical accounts of the creation of the world
began at sunset on 9 September 5779 years ago.

According to scientific accounts  the earliest stages of the universe's
existence are estimated as taking place 13.8 billion years ago,

Ancient bible's writers knew time is relative concept:
'‘But do not forget this one thing, dear friends:
With the Lord a day is like a thousand years,
and a thousand years are like a day.''
/ 2 Peter 3:8–9 /

Scientists sure, bible's measurement is wrong and only their
scientific measurement of time existence is correct and absolute.
===
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