Red Drums, Blue Bass, Green Chords, Orange Leads, Purple Pads The mouthpiece consists of ...

And then I put some ultraviolet filters on my camera and took a very, very long exposure with the particular frequencies of ultraviolet light and this is what I got.

The CIE 1931 color space defines monochromatic primary colors with wavelengths of 435.8 nm (violet), 546.1 nm (green) and 700 nm (red).

A blue laser is a laser that emits electromagnetic radiation with a wavelength between 360 and 480 nanometres, which the human eye sees as blue or violet.

(a) Relaxation study of the interaction between the exhaust products of turbojet engines and the upper strata of the Earth's atmosphere by examining the images and spectra obtained in the ultraviolet range.

Plasma applications Particle beams File Nasa Shuttle Test Using Electron Beam full.jpg_right_thumb_alt A violet beam from above produces a blue glow about a Space shuttle model_During a NASA wind tunnel test, a model of the Space Shuttle is targeted by a beam of electrons, simulating the effect of ionizing gases during re entry.

The color of fine blue sapphires may be described as a vivid medium dark violet to purplish blue where the primary blue hue is at least 85 and the secondary hue no more than 15 , without the least admixture of a green secondary hue or a gray mask.