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BrendanFlock
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Is space actually a grid?
#25933513 - 04/14/19 01:50 AM (5 years, 1 month ago) |
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Measured by feet or miles or cubits or whatever..
So thetefore would space be seen as empty or full?
Because you can measure a section of the field space.. does that mean it's matter?
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killingravensun
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space doesnt exist, the universe is full of matter, mostly plasma, there are no natural vacuums, and even vacuum chambers are filled with cosmic rays
-------------------- evil always wins, good can only do good, evil will lie and cheat until it fools good into doing evil freedom is the ability to take wrong action, right actions are constrained by nature
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LogicaL Chaos
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Scientists are not* really sure what space is. According to General Relativity Theory, Space-Time is a 4-D fabric that can bend/expand.
Edited by LogicaL Chaos (06/30/19 03:16 AM)
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Raven44
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Some theorize that space is the shape of a toroidal energy field or kinda like a doughnut
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LogicaL Chaos
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Re: Is space actually a grid? [Re: Raven44]
#25933867 - 04/14/19 09:51 AM (5 years, 1 month ago) |
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chibiabos
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Quote:
LogicaL Chaos said: Scientists are really sure what space is. According to General Relativity Theory, Space-Time is a 4-D fabric that can bend/expand.
Not really, even though that's probably the most common explanation that you'll get. Spacetime is a four dimensional manifold (a manifold just referring to properties about the resulting geometry) on which you can define a coordinate system. The actual coordinate system isn't a part of spacetime (in sort of the same sense that absolute value isn't a part of the numbers) but the way in which you define a coordinate system does depend on how you select points since the way that you define point coordinates depends on your choice of a set of basis vectors.
That's a really bad explanantion that I'm stopping short (in both cases because I'm really trying to avoid getting into the weeds), but the important result is that observers don't agree on how to define each others' coordinate systems. General (and special) relativity basically just study properties that depend on how a coordinate system is defined and then describe how they depend on a change in the definition for that coordinate system.
Also, you shouldn't consider a vector as being "a point with magnitude and direction." Vectors (and tensors in general) aren't a property of any space in particular. They're just mathematical objects that behave in a certain way with respect to the algebra thereof. A vector can be defined for a space and doing that is pretty intuitive, but you can also take the same sort of a structure and apply it to way more general objects than a space.
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killingravensun
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Re: Is space actually a grid? [Re: chibiabos]
#25934855 - 04/14/19 06:28 PM (5 years, 1 month ago) |
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jesus, the state of education is abyssmal, i mean wiki? really?
-------------------- evil always wins, good can only do good, evil will lie and cheat until it fools good into doing evil freedom is the ability to take wrong action, right actions are constrained by nature
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BrendanFlock
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So could the laws that govern space be said to be filling it up?
Edited by BrendanFlock (04/14/19 08:50 PM)
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LogicaL Chaos
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Quote:
killingravensun said: jesus, the state of education is abyssmal, i mean wiki? really?
Its the convienent knowledge. Fast and mostly accurate.
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porter
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Woahhh
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BigFuker
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Re: Is space actually a grid? [Re: porter]
#26006977 - 05/22/19 08:46 AM (4 years, 11 months ago) |
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I’d say so, at least to the extent that space-time has multiple dimensions/coordinates.
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sk8fast
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Quote:
jesus, the state of education is abyssmal, i mean wiki? really?
Most of the information have citations. If the citations are from a scientific journal and you can't read the whole thing, use sci-hub.tw to type in the doi number of the study. It will allow to read the publication for free. wikipedia is just a starting point to learn something, then follow up with other citations that collaborate the information is accurate
Edited by sk8fast (06/24/19 03:30 PM)
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sk8fast
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Re: Is space actually a grid? [Re: sk8fast]
#26074221 - 06/26/19 01:07 AM (4 years, 10 months ago) |
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space can be bent to make 2 points touch and travel instantly to the points instantly. Idk how to bend space maybe we can harness dark matter to do it
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LogicaL Chaos
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Re: Is space actually a grid? [Re: sk8fast]
#26074281 - 06/26/19 02:33 AM (4 years, 10 months ago) |
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If u had a device that produced anti-gravity waves, then you could bend space-time. But we are centuries from that technology.
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SadTurkey
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I wouldn't call space a grid, but space is not infinitely divisible. A central part of quantum physics is the fact that just about anything has a minimum size. This means that properties like distance, energy and velocity have a minimum value, called a quantum (hence the name quantum physics).
In the case of distance, the smallest quantum is Planck's length, or 1.62×10-35. You could draw an analogy to the spacing in a grid, but it's not like particles can only exist on the specific points of that grid as if they were pieces on a chess board. Instead, Planck's length is the smallest discrete distance a particle can travel from one position to another. There is no origin or specific alignment of 'a grid', or atleast not that we're aware of.
Good question!
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BrendanFlock
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Re: Is space actually a grid? [Re: SadTurkey]
#26081886 - 06/30/19 02:28 AM (4 years, 10 months ago) |
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How is there empty space apparently?
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BrendanFlock
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Is it all atomic rings of motion? All following a line, but one that is curved.. a circle perhaps?
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SadTurkey
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I'm not sure I understand your last two questions. Can you rephrase them?
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BrendanFlock
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Re: Is space actually a grid? [Re: SadTurkey]
#26083226 - 06/30/19 08:54 PM (4 years, 10 months ago) |
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Well if filled up space at the deepest level..is just rotations of atoms..
Or is it at the level of vibration?
So the motion of sub atomic particles the points at where vibration is taking place?
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SadTurkey
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Re: Is space actually a grid? [Re: BrendanFlock] 1
#26083859 - 07/01/19 09:38 AM (4 years, 10 months ago) |
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I'm still not really sure what you're getting at. If you're talking about the rotation of electrons around atoms, then it's important to note that electrons don't really orbit the cores of atoms as is taught in schools. The idea that electrons orbit the core in distinct orbits is known as the Bohr-model and is very useful in explaining and understanding certain mechanics in chemistry and physics, but it's not accurate to our current understanding. In reality electrons appear in sort of a 'cloud of probability' in which you're likely to encounter them. The further you get from the cloud, the lower the probability, but it never quite reaches zero. In other words: an electron exhibits typical quantum behaviour.
Atoms are very small particles, but they are not fundamental particles. Atoms are built up of protons, neutrons and electrons. Electrons are fundamental particles, while protons and neutrons are baryons, which means they're built up of an uneven number of quarks.
All these particles are tied together by a gluon field. The gluon field is basically an undulating soup with cavities that are occupied by quarks, for instance the quarks in a proton. Even the most empty parts of space have this gluon field, which means space is never truly 'empty'. If you forcibly try to remove the gluon field it would take a tremendous amount of energy and you would up end up generating quarks in the process.
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