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
Prized Possessions Prized Possessions Setting Main Characters Supporting Characters The story begins with the speaker’s groaning and cynical comment on “poverty,” in which he redefines it as something highly substantial than what many people consider it to be, something “that clings to you” (111). As the narrator “I” goes on to describe the unfavorable circumstances surrounding his family, his critical attitude toward the family and contemporary Japanese society stands out. In his view, both units of community seem to lack the “capacity to manage its affairs” with weakening patriarchal figures (111). As a result, there is now an unmistakable sign of havoc