Optics

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.

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

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.

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