According to string theory, there are generally 10 dimensions in the universe. Ten dimensions of the universe Zero Dimension (0D): Zero dimension refers to a small dot that is fixed in one place. First Dimension (1D): The 1st dimension is a straight line connecting two points. Second Dimension (2D): The second dimension is the picture drawn on the notebook page. Third Dimension (3D): The third dimension is our real world which can go up and down with right and left. Fourth Dimension (4D): The fourth dimension is time. The time we are in. In fact, we feel the time. But we can't go to that place. (Time machine) Fifth Dimension (5D): Well we move forward with time but we can't go backwards. If we could go back in time to the past, it would be the fifth dimension. Sixth Dimension (6D): In this case, we can take the time back and forth as well as right and left. For example, if a student cannot decide whether he should study medicine or e...
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