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Sir! Is time constant?

timedefiner Leave a comment

Sir,

Time (in this context) is a measurement framework, calibrated in standard units (e.g. hours). It calibrates change (hence ’rate’) So, yes, Time is constant. It is also reference-frame specific.

Space too (in this context) is also a measurement framework, calibrated in standard units (eg miles). It calibrates relative position.

Spacetime hence calibrates changing position ie. Constant Motion (constant because all calibrations are reference-frame specific). It is calibrated in miles per hour.

Spacetime-time calibrates constant acceleration eg miles per hour per hour.

Spacetime-time-time calibrates constantly changing acceleration. Miles per hour per hour per hour.

And so on.

That makes spacetime complex.

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Time and space: are they material realities or product of human consciousness?

timedefiner Leave a comment

The words Time and Space both have multiple meanings – not that you would guess that by listening to most scientists on the topic. Both meanings of Time are abstracts, one meaning of Space is. So the answer to your question is they can both be products of human consciousness. Let me explain:-

‘Space’ has several (related) meanings. A space could be a gap e.g. in a car park, for example. Space also refers to the dimension of position, i.e. the three vectors of xys axis. Or Space might mean ‘everything not on earth’ as in ‘outer space’.

And sometimes Space refers to the entire known universe.

But science is so often not specific when it uses the words. It liberally, lazily conflates these different meaning of these words.

In the context of dimension, space is the dimension of position. That is the three sub-dimension of length, breadth and height (xyz-axis), calibrated in standard units, allow us to overlay an abstract framework that calibrates and indexes position, and relative position.

‘Time’ has two core meanings…to expand on this:-

The ONLY empirical evidence of Time is change / change events (look around you – earth spinning, you breathing, quarks decaying – all change event series). Change can be quantum or compound, depending on your reference-frame. Time represents TWO distinct contexts of change:

1.The calibration of change (i.e. the dimension of change – hence ‘rate’ e.g. miles PER HOUR – the calibration of change of position aka motion) i.e. Time is to change what temperature is to heat, a dimension/calibration set. Temperature is abstract, heat is real, Time is abstract, change is real; and

2. Time is the collective ‘flow’ of change. Time is to change-events what ‘River’ is to water molecules – a collective term. Is a river real? Well yes, on one level; but, fundamentally the word River is an abstract collective, water molecules are real. So too Time is a collective abstract, change-events are real – Time, the ‘flow’ of change.

Time, one word, two distinct meaning, both reference change.

So, both words Time and Space have a context / definition as dimension, i.e. are abstract, or , as you say are products of human consciousness

Hence Space (in this context) is the (abstract) dimension of position, and Time (in this context) is the (abstract) dimension of change. So merge the two and space-time is the (abstract) dimension of changing position aka Motion.

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What exactly is the nature of time in physics?

timedefiner Leave a comment

The only tangible empirical evidence of ‘Time passing’ is change. Time references change in two core contexts:-

  1. The dimension of change. Time calibrates and indexes change and events in standard units. Hence rate i.e. miles per hour. The per hour bit is the calibration of change rate.
  2. The collective ‘flow’ of change events. Time is to change-events what traffic is to vehicles….a non-specific collective term. Does Traffic actually exist? Fundamentally all that exists are individual vehicles. Does Time actually exist..fundamentally all that exists are quantum change-events.

So Time references change in two contexts…both are abstract. So the nature of Time is that it is abstract. The tangible reality is change and change-events.

(Though try telling a taxi driver late for the airport that fundamentally neither Traffic nor Time actually exist)

If time prevents everything from happening at once and space prevents everything from happening at the same place, does spacetime prevent everything happening at the same place and same time?

timedefiner Leave a comment

Whoever said everything would happen at once? How can sequentially dependent events happen at once?…You can’t eat your cake until you’ve baked it.

And happening in the same place??? How can relative motion happen ‘in the same place’ ?

And, more significantly, Time is abstract in both its core meanings. It’s how we reference change. Change is reality. Time is abstract. Time doesn’t cause anything. Time can’t prevent anything. It only exists in our collective minds.

If Time is the dimension of change (hence rate…’miles per hour’ is time calibrating changing position).

Space (in this context) is the dimension of (relative) position…hence xyx-axis.

So merge the dimension of position (space) with the dimension of change (time) you get spacetime the dimension of changing position aka motion. Spacetime is the (abstract) dimension of motion.

And abstract dimensions can’t prevent anything. They only exist in our collective minds.

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