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Is the fourth dimension tangible?

timedefiner Leave a comment

No dimension is tangible.

It is one of the most frustrating aspects of science, the fact that otherwise eminent academics have allowed the word dimension to be so badly misused. (And, yes, Einstein must take some of the blame – but mostly I blame those who came after him)

Dimension means measurement.

A dimension is a measurement framework that we overlay an aspect of reality to calibrate and reference that aspect of reality.

Example – Temperature is the dimension of heat. Temperature is how we calibrate and index heat. Temperature is abstract, heat is real.

Space and Time are both words with multiple meanings. Both have a context as dimensions.

In the context of dimensions, Space is the dimension of (relative) static position, hence xyz-axis. The dimension of Space is how we measure relative static position, using standard units. It is static relative position because, by definition, it excludes Time.

The dimension of Time is how we measure, calibrate, index change. For instance, changing position (motion) is calibrated in, say, miles per hour. The per hour bit is time calibrating the rate of change.

So merge Time, the dimension of change, and Space, the dimension of relative position, and we get Spacetime, the dimension of relative changing position (motion) (in fact relative constant motion, as dimensions are reference-frame specific).

So, in answer to you question, the fourth dimension, like all dimensions, is NOT tangible.

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Is it possible that something can be ‘outside’ of the ‘space time’ continuum?

timedefiner Leave a comment

Obviously Yes; abstract nouns, are outside the space-time continuum. Mathematics, justice, fashion, arts, science, religion…all abstract nouns that only exist in our mind.

But are you sure you know what the Space-time continuum actually is??

Space (in this context) is the dimension of (relative) position (hence xyz-axis)

Time (in this context) is the dimension of change (hence ‘rate’).

Spacetime is hence the merged dimension of changing position aka, motion.

So anything that is a ‘concrete noun’ (as opposed to an abstract noun) i.e. has a tangible reality – like a quark, or a table or a solar system – has a physical ()relative) position, and probably incurs change. And mostly will include change of (relative) position…most things in the universe (maybe all things) are experiencing motion, and all experiences relative motion (dimensions being reference-frame specific).

So anything with a physical presence will always be within the space-time continuum as you call it.

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What would the 4th dimension look like to us?

timedefiner Leave a comment

Dimensions are abstracts…they are just how we measure, calibrate and index things. They don’t look like anything, they only exists in our minds.

Space is three sub-dimensions of height, width, depth, or the xyz-axis – which measure/calibrate relative spatial position

You don’t see the dimension…height for instance is just the measurement.

And Time (the so-called 4th dimension) is the dimension of change…it’s how we calibrate and measure Change. Eg Motion (changing position) is measured as, say, miles PER HOUR. The per hour but is the calibration of the rate of change.

So we don’t see the fourth dimension, we don’t see any dimensions. They are abstract models. What we see are the the underlying realities being measured, indexed – that is position, and changing position, i.e. motion.

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Are we stuck in a moment with the river of past and future flowing over us, or are we flowing down with the river of time into the future?

timedefiner Leave a comment

The ‘river of time’ is actually the river of change (the only real evidence of Time flowing is change). Time (in this context) is merely a collective noun.

And we all change…continually. So we change, with everything around us changing.

But we all change independently. Change is reference frame specific.

So the big collective flow (Time) and the indivudual events (from quarks decaying, atoms vibrating, life breathing, earth spinning, universe expanding…depending on reference frame) have their own specific ‘flow’.

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If the past, present, and future are entangled, are they happening simultaneously?

timedefiner Leave a comment

No.

The past changes to become the present which changes again to become the future.

This relationship is inherent in the core meaning of these words. So when people hypothesis about a different relationship, i’d say you need to go back and consider what past (has been) present (is) and future (will be) mean.

Not to forget that knowing the past relies on perfect memory or evidence, and knowing the future relies on perfect hypothesis and pattern understanding.

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