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) only one weapon, the Atomic Rail Gun. No other weapons are available; however the ship is able to generate many different weapons when the player performs particular sequences of movements and weapon-firing. The "headlight effect" is always turned on in Super Tyrian, which can obscure objects that are not within a 90-degree field of view in front of the player's ship. "Destruct" is a minigame concealed inside "Tyrian", reminiscent of "Scorched Earth", with human-vs-human and human-vs-computer modes of play. It can be played by typing "destruct" at the main menu screen. In the "Zinglon's Ale" mini-game, players must try to