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Category Archives: APS Physics
Do Merging Dwarf Galaxies Explain a Peculiar Gravitational-Wave Detection?
The hard-to-explain masses of two coalescing black holes could be accounted for if they were the central black holes in two distant, tiny galaxies that merged. Continue reading
Linking Glaciers on Earth to the Climate on Mars
Geophysicist Jack Holt explains how Earth’s debris-covered glaciers can teach us about the climate history of Mars. Continue reading
Cubes Keep Their Distance
Cubes suspended in a liquid are less likely than spheres to form clusters and fall out of solution. Read more in APS Physics…
Counting All the Antistars in the Sky
Analyzing gamma-ray sources leads to an upper limit on how many antimatter stars could exist in the Milky Way. Read more in APS Physics…
Laser-Cooled Atoms and Molecules Collide in a Trap
An experiment shows the circumstances under which ultracold atoms are quick to kick molecules out of a trap, providing clues for how to use atoms as a refrigerant for molecules. Continue reading
Shape-Shifting Proteins Follow Diffusion Rules
How quickly a protein diffuses in a liquid depends directly on its radius, which changes as the protein’s conformation fluctuates. Continue reading
Loopy Pipe Network Converts AC to DC
A simple network of pipes based on the structures of a bird’s lung transforms back-and-forth flow into one-way flow. Continue reading
At-Home Experiment Exposes Gel Cracks
Kept out of the lab by COVID-19, an undergraduate student has performed experiments in his living room, revealing a mechanism for fracture elongation in soft materials. Continue reading
The Entangled Dance of Atom Beams
Entangled pairs of ultracold atoms interfere in a double waveguide. Continue reading
Femtosecond Probe Catches Electrons Relaxing
Pump-probe experiments measure the time it takes for electrons to thermalize and cool after photoexcitation. Continue reading
Rachel Berkowitz 