Tag Archives: physics

New Evidence Shows Heat Destroys Quantum Entanglement

The original version of this story appeared in Quanta Magazine. Nearly a century ago, the physicist Erwin Schrödinger called attention to a quirk of the quantum world that has fascinated and vexed researchers ever since. When quantum particles such as atoms interact, they shed their individual identities in favor of …

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Stephen Hawking Was Wrong—Extremal Black Holes Are Possible

The original version of this story appeared in Quanta Magazine. To understand the universe, scientists look to its outliers. “You always want to know about the extreme cases—the special cases that lie at the edge,” said Carsten Gundlach, a mathematical physicist at the University of Southampton. Black holes are the …

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A Diamond-Making Machine Will Cost You $200,000 on Alibaba

In an age when you can get just about anything online, it's probably no surprise that you can buy a diamond-making machine for $200,000 on Chinese ecommerce site Alibaba. If you, like me, haven't been paying attention to the diamond industry, it turns out that the availability of these machines …

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The Biggest Controversy in Cosmology Just Got Bigger

The original version of this story appeared in Quanta Magazine. Nearly a century ago, Edwin Hubble discovered that the universe is getting larger. Modern measurements of how fast it is expanding disagree, however, suggesting that our understanding of the laws of physics might be off. Everyone expected the sharp vision …

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The Vacuum of Space Will Decay Sooner Than Expected

The original version of this story appeared in Quanta Magazine. Vacuum decay, a process that could end the universe as we know it, may happen 10,000 times sooner than expected. Fortunately, it still won’t happen for a very, very long time. When physicists speak of “the vacuum,” the term sounds …

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Does Jewelry and Big Hair Slow Down Olympic Runners?

To be an Olympic champion, athletes spend years perfecting every aspect of their performance. That same attention to detail goes into the sleek, lightweight uniforms they wear, because at this level the tiniest of advantages can affect the outcome. So what's up with all the high-fashion hair and flashy accessories …

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