May 23, 2010
HOW SCIENCE DISPROVED HELIOCENTRISM:
"Quantum": When physics got spooky: A new history of the birth of quantum physics brings the weird, protean, paradoxical subatomic world to life (Laura Miller, 5/23/10, Salon)
Much of the debate between Einstein and Bohr revolved around Einstein's intuitive rejection of the implication of the Copenhagen interpretation -- which is that objective reality, independent of any observer, doesn't really exist. Bohr, by contrast (and sounding a lot like Wittgenstein), insisted that physics isn't concerned with what is but solely with what we can say about it. Not only were these two geniuses battling over where to draw the line between the familiar, cause-and-effect world of classical Newtonian physics and the quantum Wonderland, they were sketching, erasing and resketching the boundary between science and philosophy, debating the nature of reality itself.Einstein was for many years regarded as a stubborn, even senile holdout against the quantum gospel, but Kumar finds that view simplistic. "Quantum" concludes by surveying developments since the deaths of Bohr and Einstein, such as Bell's Theorem and the many worlds interpretation, some of which point to critical problems that the Copenhagen interpretation left unresolved. (One is how the phenomenon of the universe came to be in the first place if there was no one to observe the Big Bang.)
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