Is The Universe Four Dimensional. The three dimensions of space (up and down, left and right, back and forth), and one dimension of time that keeps us all ticking along. Web many physics theories predict more dimensions beyond the four that we know and love (three dimensions of space, one of time).
We know there must be at least four dimensions because we need four numbers, e.g. Web space and time are now woven into a coexisting fabric. The three dimensions of space (up and down, left and right, back and forth), and one dimension of time that keeps us all ticking along.
Web Our Universe As We Know It Has Four Dimensions:
Therefore, an event in the spacetime of the physical universe can therefore be identified by a set of four coordinates: Web the universe appears to be a smooth spacetime continuum consisting of three spatial dimensions and one temporal dimension. $t$, $x$, $y$ and $z$, to uniquely identify a spacetime point.
An Example From A String Theorist Gives A View Of What A Fourth Dimension Could Be.
The three dimensions of space (up and down, left and right, back and forth), and one dimension of time that keeps us all ticking along. Take four pens from your desk at work. This describes the universe as a four dimensional manifold equipped with a metric.
This Is What Physicists Give A Single Word:
Only the union of those dimensions remains. This is what physicists give a single word:. Space and time alone cease to exist;
Answered Mar 9, 2015 At 4:28.
Web space and time are now woven into a coexisting fabric. Read something else table of contentsshow 1how many dimensions are there in quantum physics? Having those extra dimensions would be handy for explaining some of the universe's most confounding mysteries.
Only The Union Of Those Dimensions Remains.
Web at the moment the generally accepted theory to describe the universe on the large scale is general relativity. Space and time alone cease to exist; This slice describes just three spatial dimensions.