Petri dish be used to observe plant germination, the behavior of very small animals or for other day-to-day laboratory practices such as drying fluids in an oven and carrying or storing samples. Their transparency and flat profile also mean they are commonly used as temporary receptacles for viewing samples, especially liquids, under a low-power microscope. 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
What Is the Matter with Willi? What Is the Matter with Willi? What Is the Matter with Willi? (German:Was ist denn bloß mit Willi los) is a 1970 German comedy film directed by Werner Jacobs and starring Heinz Erhardt, Ralf Wolter and Ruth Stephan. A tax inspector tries to reform the Ministry of Finance. It was based on a character Heinz Erhardt played on television. It was followed by a loose sequel "That Can't Shake Our Willi!" and in 1971 a third film "Our Willi Is the Best" was made with Erhard returning as Willi. The final film "Willi Manages The Whole Thing" was released in