1) Some scientists use maths to explain time travel.  a) True b) False 2) According to Einstein... a) time travel is possible. b) time is the fourth dimension in space. c) time and space are not separated. 3) Laws of physics prevent time travel from happening. a) True b) False c)   4) If you go faster than the speed of light, you will die. a) True b) False 5) If you change your position both in time and place, the time machine won't run into itself. a) True b) False 6) Stephen Hawkins believed that we might build a time machine in the future. a) True b) False 7) Time travel might... a) be possible in the future. b) be fun. c) cause problems. 8) Doctor Who travels in time using... a) a sports car. b) a telephone booth. c) a clock.

The thrill of time travel

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