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domenica 27 maggio 2018

# phys: where a drum can vibrate and stand still at the same time ...

<< Mechanical vibrations, such as those that create the sound from a drum, are an important part of our everyday experience. Hitting a drum with a drumstick causes it to rapidly move up and down, producing the sound we hear. In the quantum world, a drum can vibrate and stand still at the same time >>

Hayley Dunning. Can a quantum drum vibrate and stand still at the same time? Imperial College London. May 18, 2018.

https://m.phys.org/news/2018-05-quantum-vibrate.html

<< to control  the motion of  macroscopic mechanical resonators (..) to explore and exploit quantum phenomena at a macroscopic scale >>

Ringbauer M, Weinhold TJ, et al. Generation of mechanical interference fringes by multi-photon counting. New Journal of Physics. 2018; 20. May 18, 2018.

http://iopscience.iop.org/article/10.1088/1367-2630/aabb8d/meta

FonT

ecco una sfida per un percussionista  indiano ...(Dha, Dhin, Ta, Tin, Ti, ...)

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