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Characterizing the “Knee” of High-Energy Cosmic Rays

Using observations made with an array of thousands of particle detectors, researchers have uncovered an important clue about cosmic rays that originate from outside of our Galaxy. Read More »

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Precision Cosmology with a Ground-Based Telescope

The South Pole Telescope has analyzed a trove of its CMB data, finding results that confirm the general picture of the cosmos drawn from previous space-based experiments. Read More »

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Gravity Measurement Based on a Levitating Magnet

A new gravimeter is compact and stable and can detect the daily solar and lunar gravitational oscillations that are responsible for the tides. Read More »

Research News

Heavy Element Quandary in Stars Worsened by New Nuclear Data

A widening gap between the cerium-140 abundance predicted by theories and that measured in observations of certain stars indicates a potential need for updated models of element formation. Read More »

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Erasure Qubits for Abridged Error Correction

Researchers have realized a recently proposed qubit in which the errors mostly involve erasure of the qubit state, an advance that could help simplify the architecture of fault-tolerant quantum computers. Read More »

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Magnetic Vortex Rings on Demand

Scientists have devised a promising method for generating and manipulating exotic spin patterns called magnetic vortex rings, which could have applications in energy-efficient data storage and processing. Read More »

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How a Moth’s Wings Create Ultrasonic Clicks

Researchers have an explanation for how ermine moths create ultrasonic sounds that can confuse bats, a finding that could aid in the design of acousto-mechanical devices. Read More »

Viewpoint

Another Twist in the Understanding of Moiré Materials

The unexpected observation of an aligned spin polarization in certain twisted semiconductor bilayers calls for improved models of these systems. Read More »

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Measuring the Timing of Electrons in a Beam

A new method to measure the arrival times of electrons could aid in the design of future electron microscopes. Read More »

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