In contrast, every quantum object has one feature: a wave function defined by Schrödinger’s 1926 equation, which explains what happens when one measures it. Everything is transparent whatever happens to that object is explained by classical laws of physics-essentially Newton’s. He begins by pointing out that in our everyday world, the world of classical mechanics, every object has two features: a location and a velocity. Carroll swims against the tide, explaining several theories that attempt to describe what is happening, with an emphasis on his favorite, the many-worlds theory. It’s just physics.” This doesn’t bother most physicists, who belong to the shut-up-and-calculate school, and searching for a deep meaning is unfashionable. “Quantum mechanics,” he writes, “is unique among physical theories in drawing an apparent distinction between what we see and what really is….If we free our minds from certain old-fashioned and intuitive ways of thinking, we find that quantum mechanics isn’t hopelessly mystical or inexplicable.
However, Carroll (Theoretical Physics/Caltech The Big Picture: On the Origins of Life, Meaning, and the Universe Itself, 2016, etc.) works hard-and somewhat successfully-to deliver an accessible explanation. The latest attempt to describe the “holy grail of modern physics.”Īlthough in theory it works brilliantly, no one fully understands quantum mechanics.
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