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 Girl Who Was Plugged In situation, Tiptree is suggesting that by writing this story P. Burke cannot be successful in her female body as a science fiction writer. Melissa Stevenson sums up this point by stating that “The Girl Who Was Plugged In: is a tale of transformations and masks, the story of a girl who is not who she seems to be, written by an author who was not exactly who “he” seemed to be”. Tiptree is writing about a girl who is masking her appearance in order to be successful which is eerily similar to the way that masking her image is for