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Optics

Green spectrum light can actually damage plants.

Joshua Learn, Contributor

Hummingbirds can distinguish blends of color that we see as ordinary hues.

Charles Q. Choi, Contributor

Celebrate the International Day of Light on May 16, 2020

Jason Socrates Bardi, Editor

What links a wildfire raging across a forest to the electric signals rippling through our hearts? Enter the world of waves in excitable media.

Yuen Yiu, Staff Writer

Instead of packing more pixels into displays, engineers are learning how to trick our eyes and brains to see higher resolutions in the virtual world.

Yuen Yiu, Staff Writer

Researchers developed a way to weld pieces of brittle ceramics together using a laser that fires a million times per second.

Yuen Yiu, Staff Writer

Regular improvements in so-called optical clocks are setting the stage for a redefinition of the second and powering searches for new laws of physics.

Catherine Meyers, Editor

Researchers have embedded gold particles in soft films that dissipate light energy at the surface of the eye and could have future medical uses.

Bailey Bedford, Contributor

Person standing by a barbed wire fence with their back to the camera is pointing a green laser at an airplane in flight.

New proof of concept could guard against the disorienting effects of laser pointers invading the cockpit.

Chris Gorski, Editor

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