Holly Evarts

Columbia University School of Engineering and Applied Science
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Security Breach Podcast
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Smart Ring Maker ŌURA Building Texas Factory to Support Pentagon Contract
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SpaceX's mega rocket Starship makes a test flight from Starbase, Texas, Tuesday, Aug. 26, 2025.
Latest Launch of SpaceX's Starship Deploys 8 Dummy Satellites, then Splashes Down into Indian Ocean
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ISS Will Test Growing Artificial Livers in Space
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Today in Manufacturing Podcast
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Today in Manufacturing has a new podcast brought to you by the editors of Industrial Media. In each episode, we discuss the five biggest stories in manufacturing, and the implications they have on the industry moving forward.
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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.
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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