Petri dish Petri dish A Petri dish (sometimes spelled "Petrie Dish" and alternatively known as a Petri plate or cell-culture dish), named after the German bacteriologist Julius Richard Petri, is a shallow cylindrical glass or plastic lidded dish that biologists use to culture cellssuch as bacteriaor small mosses. Modern Petri dishes usually feature rings and/or slots on their lids and bases so that when stacked, they are less prone to sliding off one another. Multiple dishes can also be incorporated into one plastic container to create a "multi-well plate". While glass Petri dishes may be reused after sterilization (via an autoclave at
The Making of a Counter Culture The Making of a Counter Culture The Making of a Counter Culture: Reflections on the Technocratic Society and Its Youthful Opposition is a work of non-fiction by Theodore Roszak originally published in 1969. Roszak "first came to public prominence in 1969, with the publication of his "The Making of a Counterculture"" which chronicled and gave explanation to the European and North American counterculture of the 1960s. The term "counterculture" was first used by Roszak in this book. "The Making of a Counter Culture" "captured a huge audience of Vietnam War protesters, dropouts, and rebels--and their baffled elders. Theodore Roszak found