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What Is Space?

nautil.us

71–80 of 155 posts

Re: What Is Space?

#73

Some related questions that I don't know where, or how, to ask: - Is there a “quantum” of space? Where/how is location stored? - If electromagnetic repulsion is what makes matter “take space”, and if virtually all macroscopic phenomena are governed by electromagnetism and gravity, then could this reality be said to be “gravelectromagnetic”, and might there be other “dimensions” governed by other forces, like “cones”…

Find Piotr Slupski on Quora and read his answers

Re: What Is Space?

#74
post #32

Earlier quoted context omitted.

Nothing to add, I just love where your questions send my mind, thank you.

You may enjoy contemplating a sort of "epiphany" that I had during that usual pondering of imponderables: That the default or base state of existence may not be nothing, not "not even nothing", but rather Everything. ... Instead of viewing the origin of all reality/creation as things being added to a canvas of blackness/emptiness/voidness, rather consider that "Existence" may be a subtractive process: akin to holes b…

This is a common theme many human societies and cultures have developed, and it makes a lot of sense when you really (really) think about it. When you take it further, you realize that also implies everything being connected fundamentally, which is an another interesting thought space to explore with a litany of deep implications, particularly around consciousness.

Re: What Is Space?

#75
post #34

Earlier quoted context omitted.

I went into entrepreneurship because I hate these kinds of interviews. You think a good way to tell whether I'd be good at writing code is my opinion on philosophy outside my domain of expertise?

google interviews try to gauge how smart you are, not how well you can program

This is not true. (I interview candidates at Google)

Re: What Is Space?

#76

This continues to be one of my favorite questions. In high school we were creating a vacuum in a bell jar to do the 'drop a feather and drop a weight' experiment and my physics teacher asked it. "So if we didn't have our apparatus in there, and we sucked it dry, what would be in there?" It makes a great interview question because it helps identify people who have a hard time holding an unknown concept in their head a…

Obviously I don't know the specifics of the situation here. In my experience, though, hiring committees at Google want at least some interviews closer to programming (for SWE).

So don't think that this is the typical Google interview. :-)

Re: What Is Space?

#77
post #65

Earlier quoted context omitted.

We generally give Albert Einstein credit for providing a definitive answer to this question, and we call it the Theory of Special Relativity. Here, you might like this: https://www.youtube.com/watch?v=feBT0Anpg4A

It's still relative, though. You can't know your absolute speed, unless you are a photon and speed has no meaning to you at all.

I think it's more that you have no absolute speed...? I.e. it's an ill-defined concept. Of course we often talk about speed as if it's absolute, but as you point out it's actually always relative to some assumed background, e.g. the ground.

(It's also impossible to measure speed without some sort of external reference.)

Re: What Is Space?

#78
post #32

Earlier quoted context omitted.

Nothing to add, I just love where your questions send my mind, thank you.

You may enjoy contemplating a sort of "epiphany" that I had during that usual pondering of imponderables: That the default or base state of existence may not be nothing, not "not even nothing", but rather Everything. ... Instead of viewing the origin of all reality/creation as things being added to a canvas of blackness/emptiness/voidness, rather consider that "Existence" may be a subtractive process: akin to holes b…

I've had the same thought about the starting from nothing rather than everything, but in an entirely different context.

Axiomatic Set Theory is taught starting with the empty set as an axiom and along with a small number of additional axioms, and from that you can build the integers and rationals and real numbers as well as an impressive hierarchy of different infinities. And one thing that's proved is there is no largest infinity, no set that contains all sets. There isn't an Everything set that's consistent with the Peano axioms.

However, you could build the entire system starting with the Everything set and similarly modify all the axioms to be analagously subtractive rather than additive, deriving in some sense every inverse theorem, including that there is no empty set, no Nothing.

When you do this you immediately at working with insane objects and intuition fails miserably in a way that building the other way doesn't.

Re: What Is Space?

#79
post #32

Earlier quoted context omitted.

Nothing to add, I just love where your questions send my mind, thank you.

You may enjoy contemplating a sort of "epiphany" that I had during that usual pondering of imponderables: That the default or base state of existence may not be nothing, not "not even nothing", but rather Everything. ... Instead of viewing the origin of all reality/creation as things being added to a canvas of blackness/emptiness/voidness, rather consider that "Existence" may be a subtractive process: akin to holes b…

[deleted]

Re: What Is Space?

#80
post #8

How fast are you really going? One of the things I've thought about is relatively. Consider a toddler strapped to his car seat in a luxurious BMW cocoon while his father speeds down the autobahn at 200km/h. He calmy drinks from his sippy cup. You're in a passenger jet above him going 700km/hr. You're going 500km/hr faster than him. But how fast are you really going? Consider that the Earth is spinning around the sun…

I think the true answer is that the universe is so vast, we just don't know. The answer on quore etc. when searching for the center of the universe are not really satisfactory, a frequent answer is that the question is framed wrong, as per our lack of understanding. See, the geo in geometry means the planet earth, that's our frame of reference.
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