Diffraction gratings are beautiful ... to create attractive iridescent rainbow patterns. It’s the same effect you see on the bottom of a CD! You can 3D print a functional diffraction grating ...

"When I'm Not Near the Girl I Love (I Love the Girl I'm Near)," Look to the Rainbow," and "If This Isn't Love." ...

The set -- which includes more than a dozen songs from guitarist Blackmore's stints in Deep Purple and Rainbow -- will be available as DVD/two-CD and Blu-ray/two-CD sets, as well as in digital ...

But how do you make a 3D print sparkly? Turns out, he had used a diffraction grating before to make rainbow-enhanced chocolate. The method turns out to be surprisingly simple. Using a diffraction ...

The simplest way to do this is with some type of diffraction grating. Different wavelengths of light constructively interfere at different angles. The result is this rainbow effect you see with a ...