Wormholes There are no clues for this activity. Below are 8 statements about the text. Which are true and which are false? When you have finished, click "Check answers" to check your answers. You can use the online dictionary, but there is no other help for this activity. true false Carl Sagan used the idea of wormhole travel in his novel 'Contact'. 1 Kip Thorne invented the idea of wormholes. 2 A wormhole is a fold in space. 2 Einstein said that wormholes were impossible. 2 You can only enter a wormhole if the black hole is rotating. 1 You need advanced technology to be able to travel through a wormhole. 1 The 'granny paradox' proves that time travel is impossible. 2 Astronomers have found a wormhole in space. 2 http://c1364652.cdn.cloudfiles.rackspacecloud.com/assets_green.swf