Are there additional spatial dimensions beyond the three for which we have very firm evidence? I cannot think of a deeper question in physics today.
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The existence of a single structure that unifies such a broad range of physical and mathematical ideas, and many others as well, is unexpected and remarkable. Earlier I declined to define beauty, but one can recognize it when one sees it, and here it is.
— Joseph Polchinski (2004)
World Scientific Publishing Co. Pte. Ltd.
… a mesmerizing prediction that the LHC would produce mini black holes at an enormous rate, thus becoming a black hole factory.
— Greg Landsberg (2009)
Now the primary objection to knotted strings is that the superstring is necessarily living in a space of 10 dimensions ….
— Louis Kauffman (1991)
The world of Calabi-Yau [manifolds] … is in its present stage of infancy most similar to a Universe still in its “first three minutes”.
— Tristan Hübsch (1992)
World Scientific Publishing Co. Pte. Ltd., p. vii