4D tesseract

0th dimension

Contain a dot nothing more.

1st dimension

Taking infinite dots to form a line.

2nd dimension

Taking infinite lines to form a plane.

3rd dimension

Taking infinite planes, we get space.

4th dimension

4d tesseract

For understanding the resulting concept of the 4th dimension. we need to imagine one single element of the 4th dimension.

If one element of the 1st dimension is a dot, an element of the 2nd dimension is a line, an element of the 3rd dimension is a plane that means one element of the 4th dimension is space.

It's complicated if we imagine the fourth dimension being time, it makes sense. one element of the 4th dimension is exactly one moment in the universe, which means that the universe in its current state is one of the infinite elements of the 4th dimension.

It goes even further, we can add another dimension. the 4th dimension as a whole is the history of a whole universe, the 5th dimension as a whole is every possible history of the universe. that means it contains every possible outcome for every event in the history of the universe.

Conceptualising the dimensions

Simple way to conceptualize dimensions: a square is a 2D shape; so, each of its corners has 2 lines coming off it at 90 degrees to each other. A cube is 3D, so each of its corners has 3 lines coming off it. Similarly, a tesseract is a 4D shape, so every corner has 4 lines coming off it.


Visualising  tesseract

As humans have only evolved to visualize stuff in 3 dimensions, anything that’s a part of further dimensions, like 4D, 5D etc, do not make much sense to us because we can’t visualize them at all. Our brains can’t make any sense of a 4th dimension in space. We simply can’t wrap our heads around it.

However, just because we cannot visualize a concept doesn’t mean it cannot exist.

Just like a cube can be unfolded into 6 squares in 2D space, a tesseract can be unfolded into 8 cubes in 3D space.

we will see why it looks like that one cube is coming out from another cube in the upcoming update...

Regards from PandT

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