On Stranger Tides his inspiration for the ambience of the series, while his true inspiration was "On Stranger Tides". In 2007, after the successful opening weekend of the third "Pirates of the Caribbean" film, "", Walt Disney Studios Chairman Dick Cook said he was interested in a fourth film. The Los Angeles Times also reported that Bruckheimer already had rights to a book that could end up as another installment, though had not confirmed what book it was. On September 11, 2009, Walt Disney Pictures announced that the fourth installment would be titled "". The announcement had fueled speculation that the film would
Discourse on the Tides Discourse on the Tides "Discourse on the Tides" () is an essay written by Galileo Galilei in 1616 as a letter to Alessandro Orsini that attempted to explain the motion of Earth's tides as a consequence of Earth's rotation and revolution around the sun. The same ideas form an important part of Galileo's "Dialogue Concerning the Two Chief World Systems". Galileo's theory was in fact erroneous, as proven by future scientific research. Galileo composed "Discourse on the Tides" while in Rome and appealing for papal acceptance of the teaching of Copernican theory. The letter is thus not just an explanation