While this global health crisis continues to evolve, it can be useful to look to past pandemics to better understand how to respond today. The art of making a pottery consisting of a siliceous sandy body coated with a vitreous copper glaze seems to have been known unexpectedly early, possibly even as early as the period immediately preceding the Ist Dynasty (4000 B.C.). Some subcultures, like the off-the-grid movement, advocate a withdrawal from technology and a return to nature. The ecovillage movement seeks to reestablish harmony between technology and nature. Some segments of the 1960s hippie counterculture grew to dislike urban living and developed a preference for locally autonomous, sustainable, and decentralized technology, termed appropriate technology.
For communications technology, see broadcasting; computer science; information processing; photography; printing; photoengraving; typography; telecommunication. For the processes and products of other manufacturing industries, see adhesive; clothing and footwear industry; dye; explosive; floor covering; forestry; …