![]() Even so, we could be about to extend the boundaries of reality in ways that come close to the limits of our descriptive powers. We are forced instead to look for the subtle imprints that extra dimensions make on the three dimensions we are confined to. This is a frontier that we are barred from exploring directly. ![]() Now we have got the hang of it, there is talk of creating five, six or even more dimensions, and even suggestions that exotica such as new particles might lurk in the extra-dimensional wilderness. We have, however, already seen the ghostly effects of four-dimensional space touch on our own and wired up electric circuits with an extra dimension. ![]() The concept is so far removed from our experience that it is hard to imagine what they could be like. ![]() Despite some imaginary claims to the contrary, no one has ever really experienced a higher dimension.īut now, in some of the world’s most sophisticated labs, we are building our own synthetic extra dimensions. Then again, we have never known anything else. Up-down, left-right, forward-back: these are the three dimensions in which we eat and breathe, make friends and grow old. ![]() Few of us stop to consider the truth – that we are trapped in an invisible prison. Stand-up comedian and mathematician Matt Parker uses bizarre Klein Bottles unimaginably small pizza slices knots no one can untie and computers built from. At moments like these we feel free, liberated. Or you are diving into the ocean, feeling the cool water surround you. YOU are running through an open field with the wind in your hair. ![]()
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