Laser etching on food-safe pigments can create 2D images that appear 3D.

Charles Q. Choi, Contributor

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Sensing earthquakes with telecommunications cables could lead to better warnings.
Katharine Gammon, Contributor
Laser etching on food-safe pigments can create 2D images that appear 3D.
Charles Q. Choi, Contributor
Scientists are working on projects to see if humans can make the trip to Mars and live there.
Inside Science Contributor
A long-accepted study on the optimal size of national legislatures faces a challenge.
Peter Gwynne, Contributor
Using a bouncy platform instead of a vibrating tip may allow MRI machines to image a single virus.
Yuen Yiu, Staff Writer
An idea from noise-canceling headphones helps make a better stethoscope.
Inside Science Contributor

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