Optics

A graphene layer shields an artwork against light, oxygen and moisture, and can be removed using an eraser.
Karen Kwon, Contributor
A new approach to digitizing color could help improve the realism of cameras, displays and LED lighting.
Meeri Kim, Contributor
New tool for artists can paint, erase and change the color of strokes on a metal canvas.
Meeri Kim, Contributor
The ultra-reflective paint could help keep buildings cool without air conditioning.
Charles Q. Choi, Contributor
The system captured 3D super-resolution images of small protrusions on the branches of neurons.
Meeri Kim, Contributor
Laser etching on food-safe pigments can create 2D images that appear 3D.
Charles Q. Choi, Contributor
The microscopic lens bends light to quicken data transfer in computers.
Tess Joosse, Contributor
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