| 41. | How many years until we figure out quantum gravity?
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| 42. | Loop quantum gravity is formulated in a background-independent language.
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| 43. | Even Einstein was stumped by this so-called quantum gravity.
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| 44. | Sakharov also proposed the idea of induced gravity as an alternative theory of quantum gravity.
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| 45. | Fractality also arises in this approach to Quantum Gravity.
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| 46. | A workable theory of quantum gravity should be able to solve problems such as these.
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| 47. | Thus string theory is a theory of quantum gravity.
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| 48. | Loop quantum gravity can be pulled into black holes.
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| 49. | It is closely related to loop quantum gravity.
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| 50. | Or turn it around : When we get quantum gravity, the big revelation will be, aha!
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