Using sound and water to capture images doesnt make sense at all. But technology thats sufficiently advanced , never did. Researchers at Rensselaer Polytechnic Institute have designed and tested an adaptive liquid lens that captures 250 pictures per second and requires considerably less energy to operate than competing technologies.

The lens is made up of a pair of water droplets, which vibrate back and forth upon exposure to a high-frequency sound, and in turn change the focus of the lens. By using imaging software to automatically capture in-focus frames and discard any out of focus frames, the researchers can create streaming images from lightweight, low-cost, high-fidelity miniature cameras.

Its said that the technology shall completely change current cameras making them better and cheaper bring about a revolution in digital cameras, cell phones , spy cameras and absolutely anything that uses a camera lens. The cameras created from this tech would require a lot less energy since they would be extremely efficient not to mention lighter in weight.

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