8legs: New york university

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Researchers at NYU built a time crystal using sound waves, causing nonreciprocal motion that challenges Newton’s third law.
The beads are levitated by a standing sound field and interact by scattering sound waves among themselves.
The device measures about a foot tall and is visible without magnification, a novelty in time-crystal experiments.
Researchers see potential applications in understanding circadian rhythms and nonreciprocal processes in biology and chemistry.
The work was published in Physical Review Letters, adding a peer-reviewed basis to these findings.
Lead researcher David Grier notes the system is remarkably simple for studying time-crystal phenomena.
The experiment uses tiny styrofoam beads floating on a cushion of sound, forming the core time-crystal setup.
The time crystal allows study of nonreciprocal interactions, which differ from traditional symmetric force interactions.
The NYU team’s findings may inform future technologies that exploit asymmetrical force dynamics.
The research was announced with a press release and reports in Physical Review Letters, marking peer-reviewed validation.

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#2 out of 2

1d ago

Researchers at New York University created a nonreciprocal time crystal using sound waves to levitate beads in mid-air.
The beads exchange sound waves in a way that appears to break Newton’s Third Law, producing a nonreciprocal interaction.
The device is compact, about one foot tall, and the effect is visible to the naked eye.
The study, published in Physical Review Letters, links the time crystal to potential advances in quantum computing and data storage.
The research may help illuminate biological timing systems, such as circadian rhythms.
The beads used are small styrofoam beads moved by standing sound waves in an acoustic levitator.
Larger beads produce stronger forces, creating imbalanced interactions that drive the system’s rhythm.
The work was supported by National Science Foundation grants DMR-21043837 and DMR-2428983.
The scientists describe the system as simple yet revealing complex physics with broad implications.
The findings appear in Physical Review Letters and may influence future quantum technologies and data storage solutions.

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