Article by Max Tegmark in July, 2007 Nature on Many Worlds theory (as posted on 12 Degrees of Freedom).
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Exploding Stars Are Rare—but if One Was Close Enough, It Could Threaten
Life on Earth
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Stars like the sun are remarkably constant. They vary in brightness by only
0.1 percent over years and decades, thanks to the fusion of hydrogen into
heliu...
1 hour ago
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