Fourth Dimension: Exploring What Lies Beyond

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In summary, there is some confusion about the concept of extra dimensions. While most people agree that there are 3 basic dimensions (width, height, depth), there are differing opinions on what additional dimensions are. Some view them as related to string theory, while others see them as purely geometrical. The image provided shows projections of higher-dimensional figures, which is a helpful visual aid but should not be taken as the only representation of extra dimensions. In reality, our universe is 4D if time is considered as a dimension. This is supported by special relativity.
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MartianVision
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I'm a little confused by extra dimensions. People seem to say different things about the 'extra dimensions. Everyone seems to say that there are 3 basic dimensions (width, height, depth), however some people say different things about what additional dimensions are, just wondered if someone can clear it up.

Is a fourth dimension time, and the fifth, sixth seventh etc. the different dimensions related to string theory, or are the extra dimensions more geometrical, such as this image:
http://www.dimension1111.com/images/dimensions1.png

Or am I just getting completely muddled up?

Sorry if I didn't really explain it too well, I'm terrible at explaining myself lol, and sorry if it's in the wrong forum.
 
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The picture you've given shows projections of higher-dimensional figures. Yes, they are "geometrical" and look exactly like that. This is a stage in learning about higher dimensions, but don't get stuck with it. Keep learning.
 
  • #3
We live in a 4D universe if you consider time as a dimension. According to special relativity there is no reason it can't be a dimension as well
 

1. What is the fourth dimension?

The fourth dimension refers to a theoretical concept that extends beyond the three dimensions of length, width, and height that we experience in our everyday lives. It is often described as a concept of time or space-time, and is a key topic in the field of physics and mathematics.

2. Can we experience the fourth dimension?

While we cannot directly experience the fourth dimension in our physical world, there are ways in which we can understand and visualize it through mathematical models and theories. For example, some scientists use the concept of a tesseract (a four-dimensional cube) to help visualize the fourth dimension.

3. How do scientists study the fourth dimension?

Scientists study the fourth dimension through mathematical equations and models, as well as through experiments and observations in the fields of physics and astronomy. They also use advanced technology, such as telescopes and particle accelerators, to investigate the properties of the fourth dimension.

4. Are there other dimensions beyond the fourth dimension?

There are various theories and speculations about the existence of dimensions beyond the fourth dimension. Some suggest the existence of a fifth, sixth, or even higher dimensions, but these are still theoretical and have not been proven or observed.

5. How does the fourth dimension affect our understanding of the universe?

The concept of the fourth dimension plays a crucial role in our understanding of the universe and the laws of physics. It helps explain complex phenomena, such as gravity and the behavior of particles, and is essential in theories about the structure and evolution of the universe.

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