After leaving the giants, Guliver finds himeself on the floting nation of laputa. The people of laputa spend all of their time studying mathematics and making music. However, its people do not know how to use either of these for practical purposes. Swift uses this strange country to criticize scientific advancements with no practical applications. Gulliver also gets to visit other countries on the way home from laputa. Most of gulliver's observations about these countries relate to europe again.