(PhysOrg.com) -- Engineers at Harvard have demonstrated a new kind of tunable color filter that uses optical nanoantennas to obtain precise control of color output.
A team of astronomers in Pitt's Kenneth P. Dietrich School of Arts and Sciences announced today the most accurate determination yet of the color of the (aptly named) Milky Way Galaxy: "a very pure white, almost mirroring ...
Trust the French to compose poetry from banality. And yet the biological explanation for the many physical differences between males and females remains incomplete.
In-flight instructions used by astronaut John Glenn during his historic 1962 Mercury spaceflight have been sold at auction.
The ability of finches, sparrows, and many other birds to see a visual world hidden to us is explained in a study published in the journal eLife.
For years, camera-makers have sought ways to avoid chromatic aberration—the color fringes that occur when various wavelengths of light focus at different distances behind a lens.
By tweaking just one or two genes, Cornell University researchers have altered the patterns on a butterfly's wings. It's not just a new art form, but a major clue to understanding how the butterflies have evolved, and perhaps ...