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Author Archives: rberkowitz
Experiments Refute Dark Matter Claim
Two direct-detection experiments see no evidence of a signal reported by their predecessor. Continue reading
Posted in APS Physics
Tagged APS Physics, Astrophysics, Dark matter, Particle Physics
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Active Matter Breaks like an Amorphous Plastic
Shearing a dusty plasma with a laser shows how vibrational modes lead to weak points in an amorphous active system. Continue reading
Posted in APS Physics
Tagged APS Physics, Materials Sciences, Plasma physics, Soft matter
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Microscopic robots navigate ‘artificial spacetimes’
Light-guided bots are steered through mazes like spacecraft tugged by gravity. Continue reading
Posted in Science Magazine
Tagged Electrical engineering, Gravitation, Physics, Science Magazine
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Ultracold Atoms Simulate Breaking Flux Strings
An optical-lattice experiment offers a platform for observing dynamics of particle–antiparticle pair creation in quantum field theories. Continue reading
Posted in APS Physics
Tagged APS Physics, Atomic and Molecular Physics, Optics, Quantum Physics
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Salt Loss Dictates Sea-Ice Structure
Experiments on freezing saltwater have teased apart flow dynamics inside ice pores, offering a possible boost to climate models’ predictive power. Continue reading
Posted in APS Physics
Tagged APS Physics, Arctic, Fluid Dynamics, Geophysics, Oceanography
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Quantum Computing Meets Finance
Eric Ghysels made a name for himself in financial econometrics and time-series analysis. Now he translates financial models into quantum algorithms. Continue reading
Magnetic Topological Insulators Have an Edgy Side
Edge currents are observed in a magnetic topological insulator even when conventional theory says that they should not. Continue reading
Peacock feathers can be lasers
Tail feathers can emit narrow beams of light, a first in the animal kingdom. Continue reading
Posted in Science Magazine
Tagged biology, Lasers, Optics, Photonics, Science Magazine
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How a Sail Inverts Its Shape
Simulations explore how to optimize a sail for changing direction. Continue reading
Unusual Plasma Waves Above Jupiter’s North Pole
A spacecraft observes a new oscillation mode in the low-density plasma. Continue reading
Rachel Berkowitz 