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<blockquote data-quote="wolsty" data-source="post: 18246" data-attributes="member: 175166">I'm really struggling with this concept.&nbsp; It's difficult to describe and explore in words and I don't have the maths to work through Einstein's equations.&nbsp; However,&nbsp; at my very primitive level of understanding, it seems that String Theory, or its later development (M)embrane Theory has gone some way to reconciling the differences between Quantum Mechanics and Relativity.&nbsp; We're dealing here with units at, or slightly larger than the Planck Length, so there's good reason to think that there is no smaller size of 'fundamental particle' yet to be discovered and with 10 or 11 dimensions, some of which are tightly rolled up on themselves.&nbsp; If, therefore, S Theory or M theory is shown to be correct, the GUT or Theory of Everything would be a natural consequence.&nbsp; We're then left with puzzles such as a gravitational force which is, in some circumstances, repulsive, explaining Dark Matter/Dark Energy and its role, a possibility that dimensions (ie size) are not absolute and whether the Arrow of Time exists and, if it does, whether it can be reversed.&nbsp; Oh, and then there's FTL travel.I wish I was thirty years younger.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite6" alt=":cool:" title="Cool&nbsp; &nbsp; :cool:" loading="lazy" data-shortname=":cool:" /> <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite6" alt=":cool:" title="Cool&nbsp; &nbsp; :cool:" loading="lazy" data-shortname=":cool:" /></blockquote>

[QUOTE="wolsty, post: 18246, member: 175166"] I'm really struggling with this concept. It's difficult to describe and explore in words and I don't have the maths to work through Einstein's equations. However, at my very primitive level of understanding, it seems that String Theory, or its later development (M)embrane Theory has gone some way to reconciling the differences between Quantum Mechanics and Relativity. We're dealing here with units at, or slightly larger than the Planck Length, so there's good reason to think that there is no smaller size of 'fundamental particle' yet to be discovered and with 10 or 11 dimensions, some of which are tightly rolled up on themselves. If, therefore, S Theory or M theory is shown to be correct, the GUT or Theory of Everything would be a natural consequence. We're then left with puzzles such as a gravitational force which is, in some circumstances, repulsive, explaining Dark Matter/Dark Energy and its role, a possibility that dimensions (ie size) are not absolute and whether the Arrow of Time exists and, if it does, whether it can be reversed. Oh, and then there's FTL travel. I wish I was thirty years younger. :cool: :cool: [/QUOTE]

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