Holly Evarts

Columbia University School of Engineering and Applied Science
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Meta CEO Mark Zuckerberg wears artificial intelligence-powered smart glasses as he speaks during the company's Connect developer conference Wednesday, Sept. 17, 2025, in Menlo Park, Calif.
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Stryker and Siemens Healthineers Are Building a Surgical Robot Together
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Ian Crichton of C&S Welding Inc. at the Port of Los Angeles' AltaSea ocean institute, Sept. 4, 2025, Los Angeles.
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More from Holly Evarts
AI Work Instructions. Automated from Your CAD.
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Automated work instructions with DFM, tribal knowledge capture, 3D animations, and shop floor analytics.
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By optimizing the structure of acoustic voxels, Columbia Engineering researchers can control the acoustic response of an object when it is tapped and thereby tag the object acoustically. Given three objects with identical shapes, they can use a smartphone to read the acoustic tags in real-time, by recording and analyzing the tapping sound, and thereby identify each object.
Product Development
Embed Sound with Data
Like Legos, acoustic voxels can be connected to form an infinitely adjustable, complex structure.
July 19, 2016
Columbia Engineering researchers have developed a novel sheet camera that can be wrapped around everyday objects to capture images that cannot be taken with one or more conventional cameras. They designed and fabricated a flexible lens array that adapts its optical properties when the sheet camera is bent. This optical adaptation enables the sheet camera to produce high quality images over a wide range of sheet deformations.
Product Development
Flexible Camera is Radically Different
The design could lead to cameras the size of a credit card that a photographer could simply flex to control its field of view.
April 13, 2016