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Conceive for a moment of the entire universe as if the whole thing was all in a paper bag, all atoms, all thoughts, all energy, everything else. In other words, conceive of the universe as ONE whole thing.
.... then it is true that on the most fundamental level, only one event of the universe occurs at a time. And consider that each of these events... is the "situation" or “state” that this entire universe is in at any one particular moment in time.
That is, if you look at one slice of the universe at any one moment (or in other words, if you look at the 'state' that the ENTIRE universe, as a whole, is in, at any one moment of time,) then that 'state' can be called one 'event'. And this is the most basic and most definitive definition of 'event'.
And clearly, only one 'state' is possible at one time (without attempting to postulate "other universes", which is folly because we include those "other universes" as part of THE universe). Hence, only one thing is happening at a time, on the largest, most definitive level.
By the way, it becomes interesting to think about how long each of these 'states' or instantaneous pictures of the universe lasts. Is it one-billionth of a second? Is it '10 to the minus 5 millionth power' part of a second? Of course not. It's much shorter than that. It must be a time interval with no length actually, to make any sense.
Of course, a time interval of no length makes no sense either.
And if the sum of time intervals of no lengths actually adds up to a universe which obviously DOES have some span over time, what the heck is going on? (let me answer that later)
And of course, we may see then that the events that "take time" are those on our larger everyday level, and events that take basically zero time are those on the ultimate micro level and include the entire universe at once.
What is an event on the macro, everyday level? -a dog's bark is an event, isn't it?
Well, “woof” lasts maybe a fifth of a second. But if the bark had been cut off prematurely, it might have lasted only a twentieth of a second, but it would still have been considered a bark or a partial bark, right? So how short can an event like this be, before it is no longer considered an event? There is probably no limit. And come to think of it, taking this train of thought to its end, should remind us that the most REAL event is the one that took the shortest time, that is, the one that we mentioned before, which seems to have no actual length of time, or zero time.
Thus we may postulate that the most real (if not the ONLY real, by some standard) events are those which involve the state of the universe at any one specific point in time. (or NO time, if you will)
Hence, there is really only one event taking place at a time.
So, what the hell does THIS matter?
Ha ha ha, I hear ya. But there IS an important consequence for mankind actually. It is extremely good news and involves each individual's ability to determine her or his own experience. It is the point to which quantum physics is currently heading, and will continue to head, one way or another.
Quantum physics is a facet of physics which is recognized as legitimate by the world's physicists, and shows that 'events' are somehow affected (if not completely determined) by the observer who observes them. Taken to its extreme conclusion, this would be very good news for all of us.
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