End Point Uri

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Axis Wheels – A Brand to Know For Wheels That Go

The introduction to each episode went as follows: “Man – Woman – Birth – Death – Infinity”. Well, of course the use of the word ‘infinity’ applies only as long as man and woman get their act together, which, in all probability, won’t really be forever and ever, amen. But what you can forgive in Axie Team a TV show isn’t in the same league when infinity is misused by those who should know better.

Infinity, at one end of the scale, is akin to forever and ever, amen. There is no end; there is no limit. On the other end of the scale is something more familiar to us – zero. Zero is infinitely small. So, what of the various concepts that surround us in our life, our Universe, and in our everything – can they be infinite?

Time: Time apparently comes in quantum sized bits. That is, you can’t have an interval of zero time. The smallest allowable time span, while incredibly short, isn’t zero, and is known as a Planck-Wheeler time unit. Can time be infinitely long? As long as there is change, there is time (which is rate of change), and as long as there is quantum activity in the vacuum energy there is change. That just means that if you had the ability to magnify the microscopic by many orders of magnitude, right down to the quantum level, you’d witness constant activity as virtual particles get created out of the vacuum energy and ultimately annihilate and return their borrowed energy required for their creation back to the vacuum energy.

If our Universe had a beginning, which apparently it did (the Big Bang event) and should our Universe finally stop expanding and reverse direction and ultimately all come together in the mother of all Black Holes and go ‘poof’, then clearly time, as far as our Universe is concerned, is finite, time sandwiched between the Alpha and the Omega. But, if our Universe has always been and always will be (as it would be in the ‘Steady State’ model of our Universe), or if our Universe continues to expand, ever expand, and expand some more without end, or if our Universe is one of an endless number, a cyclic or oscillating Universe that goes boom, expands, stops, contracts, goes ‘poof’, but the ‘poof’ creates another bang, etc. then time is infinitely long, even if our Universe exists for a finite segment within that infinity.

Temperature: Despite reading a comment in one of the books by the renowned astrophysicist Stephen Hawking that at the time of the Big Bang event, the temperature of the embryo Universe was infinite, you can not have an infinitely hot temperature. Temperature is the measurement of the average motion of matter’s particles. The faster they move or vibrate, the hotter things are. So, infinitely hot would imply that matter, or rather the fundamental particles that make up matter, were moving infinitely fast. But infinitely fast would mean faster than the speed of light, which is a no-no. If the Universe started off with an infinitely high temperature, then no matter how much the Universe expanded, it would remain at an infinitely high temperature, because any infinity that’s diluted, divided by a finite number, is still infinity. Since our Universe isn’t currently infinitely hot, it couldn’t have been infinitely hot at anytime in the past.

An infinitely small temperature would have to be absolute zero of course. However, absolute zero is unobtainable again because of quantum fluctuations in the vacuum energy. In physics, the lowest possible energy state isn’t ever zero because that would violate the Heisenberg Uncertainty Principle which states that it is fundamentally impossible to know both the exact location and the precise velocity simultaneously. At absolute zero, the particle wouldn’t have any motion; thus its location and its velocity would be precisely known. That’s not allowed. Since the Universe has an overall finite temperature, as it expands, it continues to cool. But, no matter how much the Universe expands, it can’t cool down to absolutely nothing.

Space or Volume: If there was a Big Bang event, a location in space and time where our Universe is defined as having a beginning, then clearly the Universe had then, has now, and will always have a finite size, albeit expanding, ever expanding. Of course, if it keeps expanding for an infinite amount of time, then after an infinite amount of time our Universe would have an infinite volume. It’s also possible that our Universe, itself finite in volume, could exist in a larger infinite sea of space. In contrast to the Big Bang scenario, a rival theory, the ‘Steady State’ type of universe where new matter is constantly being created, could be infinite in volume. As new matter is constantly being created, assuming the ‘Steady State’ universe has always been and always will be, it would need infinite space to accommodate it all. Alas, the ‘Steady State’ theory hasn’t been viable, except to a few never-say-die true believers, for decades. However, there could be a Multiverse that could, in theory, be comprised of an infinite number of individual universes, of which our Universe is but one, in which case the Multiverse space or volume would have to be infinite. A finite Multiverse (a finite number of universes) wouldn’t need an infinite amount of space, but that doesn’t preclude a finite Multiverse existing within an infinite amount of space.

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