Tyrian purple 520 nm, which is green). It is believed that the intensity of the purple hue improved rather than faded as the dyed cloth aged. Vitruvius mentions the production of Tyrian purple from shellfish. In his "History of Animals", Aristotle described the shellfish from which Tyrian purple was obtained and the process of extracting the tissue that produced the dye. Pliny the Elder described the production of Tyrian purple in his "Natural History": The most favourable season for taking these [shellfish] is after the rising of the Dog-star, or else before spring; for when they have once discharged their waxy secretion,
Tyrian (video game) In the mini-game "Zinglon's Revenge" a giant ship projects a horizontal field of energy. Small enemies fall down from above and bounce around the edges of the screen and against the energy field. Touching the field or one of the small enemies means almost certain instant death. Players must shoot all the small enemies to advance to the next level. "Tyrian" was developed by a credited total of 11 people, with "three main drivers" — Alexander Brandon (composer and writer), Jason Emery (programmer and level designer), and Daniel Cook (artist and interface designer). For the aforementioned developers, "Tyrian" was their