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Author Archives: rberkowitz
Spectroscopy Technique Reveals Nanoscale Acoustic Waves
Imaging using extreme ultraviolet scattering shows that optical pulses can generate surface excitations with spectra that were previously difficult to achieve. Continue reading
Posted in APS Physics
Tagged APS Physics, Lasers, Materials Sciences, Optics, Spectroscopy
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Measuring the Sun’s Opacity
Experiments with oxygen plasma at extreme densities and temperatures give new transparency to our picture of the Sun’s interior. Continue reading
Active Matter Gets Solid
Researchers have determined the mechanical properties of a tiny beam made of active particles, laying the groundwork for future micromachines. Continue reading
Trapping Tiny Objects with Sound
Fluid flow and acoustic waves act together to trap nanoparticles. Continue reading
Charge Transfer Happens Too Fast to See
A new experiment on static electricity casts doubt on previous ones. Continue reading
Ice is more flexible than you think, a new nano-movie shows
Trapped air bubbles move, merge and dissolve without fracturing the crystal lattice. Continue reading
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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Rachel Berkowitz 