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Author Archives: rberkowitz
Binary Colloids Don’t Flock Together
A homogenous mixture of two self-propelling species first forms a polar vortex and then spontaneously demixes, thanks to a difference in speeds and other competing effects. Continue reading
Earplugs That Block Out All Sounds
A new 3D-printed earplug can absorb physiological sounds made by the body, potentially making it more acoustically comfortable to use than some commercially available earplugs. Continue reading
Intense X Rays Can Free Bound Electrons
Measurements indicate that intense x-ray pulses can change the electronic structure of a material on femtosecond timescales, a finding that could improve imaging of light–matter interactions. Continue reading
How Rotation Drives Magnetic Levitation
A detailed experimental analysis explains the forces by which a spinning magnet can cause another magnet to levitate in midair. Continue reading
Far-Field Flow Forces Attraction
The flow field generated by swimming bacteria drives a long-range attractive force felt by passive objects much larger than the swimmers themselves. Continue reading
American Bright is a Winner at the Slot Machines
The company’s engineers produced custom-designed lighting that will attract attention to the client’s slot machine. Continue reading
Posted in Tech & Content Writing
Tagged Electronics, LEDs, Optics, Tech & Content Writing
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Quasiparticles Repel, Then Attract
Resonant excitation of a thin-film semiconductor leads to impurities that attract rather than repel each other, providing a possible tool for manipulating superconductivity. Continue reading
Self-Repelling Species Still Self-Organize
Catalytically active particles form clusters when they respond not only to their own chemical targets but to those of other catalysts, too. Continue reading
The History of the Printing Press under an X-Ray Microscope
Researchers turn to synchrotron imaging of historical and homemade prints to explore possible connections between early printing methods in Korea and Europe. Continue reading
Global Connectivity Predicts Reactivity
The reactivity of a material is describable using only the arrangement of its atoms, a finding that could be used to speed up the search for new catalytic materials. Continue reading
Rachel Berkowitz 