Tag Archives: APS Physics

Real-Time Measurements of Earth’s Spin and Tilt

An array of ring lasers provides the first continuous measurement of Earth’s motion from a single location.  Continue reading

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Building Novel Carbon Allotropes

Calculations indicate that a form of carbon synthesized from pentagonal hydrocarbon molecules could have unusual electrical and mechanical properties.  Continue reading

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Ion Recoil from Photon Beam Observed

Experiments confirm that photonionized molecules get a backward kick, as predicted by theory.  Continue reading

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Unjammed Emulsions Collapse to Liquids

An emulsion’s rigidity disappears when the droplets’ random thermal motion overcomes the confining pressure that binds them.  Continue reading

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Efficient Detection of Microwave Photons

A new single-photon detector minimizes false positives by ensuring that a qubit switches to its excited state if and only if a photon enters a microwave resonator.  Continue reading

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Novel Coronavirus Prompts Computer Sharing

A consortium of high-performance computing centers helps fast-track COVID-19 vaccine, drug, and epidemiology calculations.  Continue reading

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Excited Molecules Escape Their Trap

The loss of ultracold molecules from an optical trap comes from optical excitation of the complexes that form when two of the molecules collide.  Continue reading

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Three Helium-Ammonia Compounds Found for Icy Planets

Stable compounds made from helium and ammonia are predicted to form at the extreme pressures found inside Neptune and Uranus.  Continue reading

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Untangling Neurons with Scattered Light

Light-scattering measurements and high-performance computing enable mapping of complex nerve fiber organizations in the brain.  Continue reading

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Monitoring Volcanic Eruptions Using Lightning

Volcanologist Alexa Van Eaton explains the origins of electrical activity in volcanic ash plumes and why it sometimes leads to detectable lightning. Continue reading

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