Optics
A graphene layer shields an artwork against light, oxygen and moisture, and can be removed using an eraser.
A new approach to digitizing color could help improve the realism of cameras, displays and LED lighting.
New tool for artists can paint, erase and change the color of strokes on a metal canvas.
The ultra-reflective paint could help keep buildings cool without air conditioning.
The system captured 3D super-resolution images of small protrusions on the branches of neurons.
Laser etching on food-safe pigments can create 2D images that appear 3D.
The microscopic lens bends light to quicken data transfer in computers.
Scientists can identify plants by the light they reflect.
The elusive waves, once thought to be myths, are explained by the same math that's found in a wide range of settings.
Green spectrum light can actually damage plants.
Hummingbirds can distinguish blends of color that we see as ordinary hues.