Star Wars Day on May 4, 1979, the day Margaret Thatcher took office as Prime Minister of the United Kingdom. An online news article from the Danish public broadcaster says her political party, the Conservatives, placed a congratulatory advertisement in "The London Evening News", saying "May the Fourth Be with You, Maggie. Congratulations." The saying was used in a UK Parliament defence debate on May 4, 1994. Astrophysicist and author Jeanne Cavelos used the saying on page 94 of her 1999 book "The Science of Star Wars". In 2008, the first Facebook groups appeared, celebrating "Luke Skywalker Day," with the same catchphrase. While
Technology in Star Wars professor James H. Fallon of the University of California explains that one problem with this type of cybernetic body is the lack of knowledge in brain circuitry coding, which has yet to be decrypted. Fallon argues that most prosthetic and cybernetic technology in "Star Wars" is still plausible with continuous research and development in the relevant fields. Levitation is depicted throughout the "Star Wars" films, as well as in most other spin-off media of the franchise. Levitation in "Star Wars" is caused by many different methods. For example, the escape pod used by Jedi Master Yoda during "Star Wars Episode