Compound lever sudden movement of the key. The earliest remaining writings regarding levers date from the 3rd century BC and were provided by Archimedes. ""Give me a place to stand, and I shall move the earth with a lever"" is a remark attributed to Archimedes, who formally stated the correct mathematical principle of levers (quoted by Pappus of Alexandria). The idea of the compound lever is attributed to the Birmingham inventor John Wyatt in 1743, when he designed a weighing machine that used four compound levers to transfer a load from a weighing platform to a central lever from which the weight
The Cow Who Wanted to Be a Hamburger The Cow Who Wanted to Be a Hamburger The Cow Who Wanted to Be a Hamburger is an American independent short film directed by Bill Plympton. It was screened first at the Annecy Film Festival and after a running at numerous other festival was nominated for Best Short Film at the 38th Annie Awards. Director Bill Plympton said the film "was made almost by accident". "The Cow Who Wanted to Be a Hamburger" was screened in the official selection of the Annecy Film Festival, being nominated for best short film. It is one of the five nominated short animated films