Optics

Scientists can identify plants by the light they reflect.
Tess Joosse, Contributor
The elusive waves, once thought to be myths, are explained by the same math that's found in a wide range of settings.
Yuen Yiu, Staff Writer
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
New proof of concept could guard against the disorienting effects of laser pointers invading the cockpit.
Chris Gorski, Editor
Scientists use ordinary equipment to reveal a hidden picture based on its shadow.
Marcus Woo, Contributor