Water is a colorless and transparent liquid, but if you spill water on the ground or clothes, the color of the water-soaked part will look darker than the surroundings for some reason. Aryan Kashyap, ...

Retinal image structure contains an entangled mixture of information about three-dimensional (3D) shape, surface reflectance and the illumination field. Although the veridical separation of these ...

Lukas Peet’s Table Lights lamps use specular and diffuse optical effects to cast light in all the right places. Lampshades were invented for a reason — to keep bulbs from outright blinding people — ...