«Light at certain wavelengths can be absorbed out of a thin optical waveguide by a microresonator — which is essentially
a tiny glass sphere — when they are brought very close,» explained Gaurav Bahl, an assistant professor of mechanical science and engineering at Illinois.
The film, made from transparent plastic embedded with
tiny glass spheres, absorbs almost no visible light, yet pulls in heat from any surface it touches.
Typically, retroreflectors consist of
tiny glass spheres embedded in the surface of reflective paint or in small mirrors shaped like the inner corner of a cube.
In 1986, Ashkin showed that the first optical atom trap demonstrated at Bell Labs also worked on
tiny glass spheres embedded in water.
Tiny glass spheres released in the painting process create a subtle and glorious iridescent effect.
Not exact matches
That view began to change in 2008, when researchers found water inside
tiny spheres of lunar volcanic
glass.
In 1968, she discovered
glass microbeads, the
tiny prismatic
spheres often embedded in roads or street signs for nighttime reflectivity.