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Generally speaking, the "four dimensions" that do not involve the theory of relativity refer to the dimension of space-time manifolds, which is not the same as the four dimensions in the geometric sense as generally understood. It is three-dimensional physical space plus time, but the difference is that the scale gauge of this space-time manifold is not positively determined.
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Four-dimensional space is one more axis, and that is time.
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Four-dimensional is curved space, and you can look at some of the information about Einstein's four-dimensional space (which I think).
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Three-dimensional space is the arrangement of multiple two-dimensional spaces onto a single time axis. Then the four-dimensional space should be arranged on a number of three-dimensional spaces on a certain axis!
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Three-dimensional space (x, y, z) + time (t) = four-dimensional space (x, y, z, t).
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For example, if you make an appointment with a friend to meet at a certain place and a certain time, the location is already three-dimensional, and the dimension of time is probably what it means.
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Space, where an object exists at different times at the same time
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Four-dimensional space may have two timelines.
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There is an extra dimension of time. A point is an event. Probably ...
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Quite simply, think of it this way, there are countless universes, and how to determine your position.
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Four-dimensional space? I only know about four-dimensional space-time.
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Four-dimensional space-time, also known as Minkowski space, is three-dimensional space plus a temporal dimension. The temporal dimension and the spatial dimension are different types of dimensions. If the three-dimensional space has one more dimension to become a four-dimensional space, plus a time dimension, it becomes a five-dimensional space-time.
As for n-dimensional space-time, it is also understood in this way.
Dimensions explained:Dimensions, also known as dimensions, are the number of independent parameters in mathematics and the number of independent space-time coordinates in physics. Dimensions don't have to be positive integers.
In the 19th century, mathematicians discovered fractals and created a fractional dimension. In fractal geometry, the dimensions of many objects are not integers, but fractions.
The four-dimensional space has 4 spatial dimensions. In three-dimensional space, taking Cartesian space Cartesian coordinate system as an example, the position of a point needs three coordinates of xyz to describe. If placed in four-dimensional space coordinates, the position of a point needs four coordinates xyzw to describe.
According to scientists, the four-dimensional space is an infinite superposition of three-dimensional space, and with the composition of time, the other four-dimensional creatures will know all their own trajectories, and the superstring theory says that the world is made up of 10-dimensional space plus time, and the seven dimensions are curled up on the Planck microscopic scale, and if you enter the four-dimensional space, you will be like a Klein bottle.
Four-dimensional space-time. There are various multidimensional spaces in mathematics, but so far, the physical world we know is only four-dimensional, that is, three-dimensional space plus one-dimensional time. The high-dimensional space mentioned in modern microscopic physics is another meaning, which has only mathematical significance. >>>More
Yes, the universe is four-dimensional, but three dimensions are space and the other is time. Therefore, it cannot be said that "the universe is a four-dimensional space". >>>More
The landlord may have misunderstood, let me tell the landlord, I am the most proficient in my side. >>>More
Whether a creature in a three-dimensional space can communicate with a creature in a four-dimensional space is theoretically possible, but from the perspective of an ordinary three-dimensional creature, of course, it can'tBecause there is a difference between active and passive, creatures in high-dimensional space can actively establish contact with creatures in low-dimensional space. <> >>>More