Dye wood, fungi, and lichens. Most dyes are synthetic, i.e., are man-made from petrochemicals. Other than pigmentation, they have a range of applications including organic dye lasers, optical media (CD-R) and camera sensors (color filter array). Textile dyeing dates back to the Neolithic period. Throughout history, people have dyed their textiles using common, locally available materials. Scarce dyestuffs that produced brilliant and permanent colors such as the natural invertebrate dyes Tyrian purple and crimson kermes were highly prized luxury items in the ancient and medieval world. Plant-based dyes such as woad, indigo, saffron, and madder were important trade goods in the
Tyrian (video game) Tyrian (video game) Tyrian is a scrolling shooter computer game developed by Eclipse Software and published in 1995 by Epic MegaGames. The game was officially released as freeware in 2004, and the graphics were made available under an open content license in April 2007. "Tyrian" was programmed by Jason Emery, illustrated by Daniel Cook, and its music composed by Alexander Brandon and Andras Molnar. The game is set in the year 20,031. You play the role of a skilled terraforming pilot named Trent Hawkins, who is employed to scout out habitable locations on newly terraformed planets. His latest assignment is