Purple is a combination of wavelengths from opposite extremes of the spectrum, which technically deosn’t make any sense, but ...

SINCE quartz is transparent in the ultra-violet, the employment of the powerful ... long, I have recorded a very intense spectrum reproduced herewith, in which no fewer than forty-one distinct ...

Popular Mechanics reports that purple is a “pigment of your imagination”: The human eye doesn’t actually see purple.

WE have recently been investigating the far ultra-violet absorption spectra of a number of organic compounds of the type R 1 COOR 2; R being an alkyl group or a hydrogen atom. It has been found ...

Scientists have revealed that purple, a popular color often associated with royalty, is fake. A figment of our imaginations.

A researcher is hoping to reveal the "magical world" of the ultraviolet spectrum that many animals can see, but humans cannot. David Atthowe, of Reveal Nature, said: "It gives you an insight into ...