Ammonium nitrate particles nucleate and grow in winter-like conditions, according to a new experiment. Read more in Physics Today…
Acoustic measurements of sediment concentration quantify the wide-reaching influence of turbidity currents. 
An emulsion’s rigidity disappears when the droplets’ random thermal motion overcomes the confining pressure that binds them. 
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. 
A rock buried in Earth’s crust or a meteorite compressed on impact may end up with increased magnetization. 
Radiocarbon dating of carefully extracted fatty-acid compounds could become a robust archaeological tool. 
A consortium of high-performance computing centers helps fast-track COVID-19 vaccine, drug, and epidemiology calculations. 
The loss of ultracold molecules from an optical trap comes from optical excitation of the complexes that form when two of the molecules collide. 
Unified theory describes formation of huge, mysterious waves. Outlets
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