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Tag archives: optics

Stretching and spinning droplets using sound

Mirror made from tiny polystyrene spheres (Courtesy: Grzegorczyk et al Phys Rev Lett 112) 023902

Mirror made from tiny polystyrene spheres. (Courtesy: Grzegorczyk et al., Phys. Rev. Lett. 112 023902)

By Hamish Johnston

There are two fantastic papers in Physical Review Letters this week that made me smile. Both of them are about controlling macroscopic objects using waves. While there are practical applications for both techniques, I can’t help thinking that the authors did the work for the sheer joy of it.


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