Video Taken Through Liquid Lens (VIDEO)
Caption
Researchers at Rensselaer Polytechnic Institute have developed liquid pistons, which can be used to precisely pump small volumes of liquid. Comprising the pistons are droplets of nanoparticle-infused ferrofluids, which can also function as liquid lenses that vibrate at high speeds and move in and out of focus as they change shape. Seen here is a video taken through a liquid lens driven by liquid pistons. As the droplet oscillates, the picture moves in and out of focus. These liquid pistons could enable a new generation of mobile phone cameras, medical imaging equipment, implantable drug delivery devices, and possibly even implantable eye lenses.
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Rensselaer/Hirsa
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