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Book: The Hidden Reality: Parallel Universes and the Deep Laws of the Cosmos
Quotes of Book: The Hidden Reality: Parallel
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  1. Brian Greene _ The Hidden Reality: Parallel

    they are beyond each other's cosmic horizon.
    book-quote

  2. Brian Greene _ The Hidden Reality: Parallel

    Evidence in support of general relativity came quickly. Astronomers had long known that Mercury's orbital motion around the sun deviated slightly from what Newton's mathematics predicted. In 1915, Einstein used his new equations to recalculate Mercury's trajectory and was able to explain the discrepancy, a realization he later described to his colleague Adrian Fokker as so thrilling that for some hours it gave him heart palpitations.
    book-quote

  3. Brian Greene _ The Hidden Reality: Parallel

    In this language, we've found that the cosmic cheese acquires more and more holes because quantum processes knock the inflaton's value downward at a random assortment of locations. At the same time, the cheesy parts stretch ever larger because they're subject to inflationary expansion driven by the high inflaton field value they harbor. Taken together, the two processes yield an ever-expanding block of cosmic cheese riddled with an ever-growing number of holes. In the more standard language of cosmology, each hole is called a bubble universe {or a pocket universe}.
    book-quote

  4. Brian Greene _ The Hidden Reality: Parallel

    Since the familiar particles and the objects they compose-stars, planets, people, etc.-amount to less than 5 percent of the mass of the universe, such a disruption would not affect the vast majority of the universe, at least as measured by mass.
    book-quote

  5. Brian Greene _ The Hidden Reality: Parallel

    But Einstein refused to be mathematics' pawn. He bucked the equations in favor of his intuition about how the cosmos should be, his deep-seated belief that the universe was eternal and, on the largest of scales, fixed and unchanging. The universe, Einstein admonished Lemaître, is not now expanding and never was.
    book-quote

  6. Brian Greene _ The Hidden Reality: Parallel

    If there is a lot of matter, gravity will cause space to curve back on itself, yielding the spherical shape. If there is little matter, space is free to flare outward in the Pringles shape. And if there is just the right amount of matter, space will have zero curvature.*
    book-quote

  7. Brian Greene _ The Hidden Reality: Parallel

    When you realize that quantum mechanics underlies all physical processes, from the fusing of atoms in the sun to the neural firings that constitutes the stuff of thought, the far-reaching implications of the proposal become apparent. It says that there's no such thing as a road untraveled. Yet each such road-each reality-is hidden from all others.
    book-quote
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