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“Liquid pistons” advance camera lenses

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A few unassuming drops of liquid locked in a very precise game of “follow the leader” could one day be found in mobile phone cameras, medical imaging equipment, implantable drug-delivery devices – possibly even implantable eye lenses. Researchers at Rensselaer Polytechnic Institute have developed liquid pistons with oscillating droplets of ferrofluid that precisely displace a surrounding liquid. Saturated with metal nanoparticles, the ferrofluid droplets can be used to pump small volumes of liquid when pulsated and can function as liquid lenses that constantly move,...Read full article

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    Published: March 2011
    adaptive lensesBiophotonicscamera lensescamerascapillary forcedefensedrug delivery systemelectromagnetferrofluidferrofluid dropletshomeland securityImagingimplantable drug deliveryimplantable eye lensesinertial forcelensesliquid lensesliquid pistonsliquid resonatorliquid switchesmagnetic fieldmagnetic forcemedical imagingmicro displacement pumpsmobile phone camerasnanoparticlesNew YorkOpticsoscillating dropletspulsatingRensselaer Polytechnic InstituteResearch & TechnologyRPITech Pulsevibration

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