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Solution: ‘Is It Turtles All the Way Down?’
While the age-old chicken-and-egg paradox is easily answered, the question of infinite regress in physics is far from resolved. In February’s puzzle column, we explored some ways in which science...
The New Thermodynamic Understanding of Clocks
Studies of the simplest possible clocks have revealed their fundamental limitations — as well as insights into the nature of time itself. In 2013, a masters student in physics named...
Top Dark Matter Candidate Loses Ground to Tiniest Competitor
...neutron stars. Together these teams may someday cover most of the possible frequencies. A discovery would permanently rewrite the laws of particle physics and cosmology, but today axions remain entirely...
Physicists Pin Down How Quantum Uncertainty Sharpens Measurements
...Researchers say that the new understanding forges links between disparate areas of quantum physics and that it could prove useful in experiments that use sensitive photon detectors. The paper is...
A Physicist’s Approach to Biology Brings Ecological Insights
...migrated to biophysics, probing the complicated mechanics of the DNA molecule. He returned to MIT as a postdoc, and this time he pushed beyond the boundaries of conventional biophysics, using...
Neutron-Star Collision Shakes Space-Time and Lights Up the Sky
...questions in astrophysics. “In one fell swoop, gravitational wave measurements” have opened “a window onto nuclear astrophysics, neutron star demographics and physics and precise astronomical distances,” said Scott Hughes, an...
The Voyage to the End of Ice
...rest of the planet. To nail down the answer, an expedition to the top of the world has to untangle the knotty physics of ice. “Pull out your ice picks,”...
The Quantum Thermodynamics Revolution
...wrote last year in Journal of Physics A. “The other theories find her somewhat odd, somehow different in nature from the rest, yet everyone comes to her for advice, and...
Star-Swallowing Black Holes Reveal Secrets in Exotic Light Shows
...of astrophysicists proposed a new theoretical model for how TDEs work. The model can explain why different TDEs can appear to behave differently, even though the underlying physics is presumably...