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Monday, July 31, 2023

This Week in Physics — Measuring Decays with Rock Dating Implications

 

This Week in Physics Magazine — July 31, 2023

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Measuring Decays with Rock Dating Implications

Stephen Ellis Cox – July 31, 2023

Researchers revisit a neglected decay mode with implications for fundamental physics and for dating some of the oldest rocks on Earth and in the Solar System.

synopsis

How Proteins Control Embryonic Tissue Flow

July 25, 2023

Experiments show that certain contractile proteins regulate the flow of tissue in a developing embryo by generating mechanical tensions and by controlling the tissue's fluidity.

Focus

Two Atoms Vibrate Like a Laser

July 28, 2023

A laser for vibrational energy, rather than for light, operating in the quantum regime could teach researchers about the interplay between spin, vibration, and dissipation in quantum mechanics.

synopsis

A Pair of New Tetraquarks

July 27, 2023

CERN's Large Hadron Collider has detected the signals of two new four-quark states that are unusual because of their charges and their quark compositions.

Research News

Express Delivery of Proton Therapy

July 27, 2023

A new scheme could increase the efficiency of a high-dose cancer radiation therapy and mitigate patient discomfort by reducing particle loss in proton beams.

Research News

Two-Dimensional Crystal Found in a Nonequilibrium System

July 25, 2023

Crystals cannot form in two-dimensional particle systems at equilibrium. A new study has found a regime where a crystal can form if the system is driven out of equilibrium.

synopsis

The Search for WIMPs Continues

July 28, 2023

Two mammoth underground detectors have delivered more stringent upper limits on how strongly a putative dark matter candidate interacts with normal matter.

synopsis

A Broader Stance Can Stop a Sandy Slide

July 25, 2023

Experiments show that an optimal distance between points of contact helps insects and other multilegged creatures avoid slipping down a steep granular slope.

synopsis

From Crystal to Nanowire

July 26, 2023

Researchers have demonstrated a way to sift a database of crystalline compounds for structures that can be separated into useful one-dimensional materials.



 

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