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Stephen Hawking,Leonard Mlodinow

The Grand Design

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  • Денис Макаровhas quoted5 years ago
    the legend goes
  • Susanto Sardihas quoted7 years ago
    Homo sapiens, originated in sub-Saharan Africa around 200,000 BC
  • Susanto Sardihas quoted7 years ago
    And so began the long process of replacing the notion of the reign of gods with the concept of a universe that is governed by laws of nature, and created according to a blueprint we could someday learn to read.
  • Susanto Sardihas quoted7 years ago
    Ignorance of nature’s ways led people in ancient times to invent gods to lord it over every aspect of human life
  • Susanto Sardihas quoted7 years ago
    Calamities were often taken as a sign that we had somehow offended the gods. For example, in about 5600 BC the Mount Mazama volcano in Oregon erupted, raining rock and burning ash for years, and leading to the many years of rainfall that eventually filled the volcanic crater today called Crater Lake. The Klamath Indians of Oregon have a legend that faithfully matches every geologic detail of the event but adds a bit of drama by portraying a human as the cause of the catastrophe
  • Susanto Sardihas quoted7 years ago
    Why is there something rather than nothing?
    Why do we exist?
    Why this particular set of laws and not some other?
  • Susanto Sardihas quoted7 years ago
    To deal with such paradoxes we shall adopt an approach that we call model-dependent realism. It is based on the idea that our brains interpret the input from our sensory organs by making a model of the world
  • Susanto Sardihas quoted7 years ago
    According to the traditional conception of the universe, objects move on well-defined paths and have definite histories
  • Susanto Sardihas quoted7 years ago
    Feynman, a system has not just one history but every possible history
  • Susanto Sardihas quoted7 years ago
    was found in the 1920s that this “classical” picture could not account for the seemingly bizarre behavior observed on the atomic and subatomic scales of existence. Instead it was necessary to adopt a different framework, called quantum physics. Quantum theories have turned out to be remarkably accurate at predicting events on those scales, while also reproducing the predictions of the old classical theories when applied to the macroscopic world of daily life. But quantum and classical physics are based on very different conceptions of physical reality.
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