We didn't really understand the higher dimensions in space until the 19th century. At this point, we really started to envision what the various dimensions of the universe really signified. For the most part, we exist in a universe that has three dimensions of space and one dimension of time. At least, that's all that we experience. But is that all that there really is? Explore the possibilities of other dimensions in this video...

And be sure to see the rest of the series here.


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