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The hovercraft travels over land and water. Who invented it?

  • A.S. sperrow
  • B.O. stricheg
  • C.T. henman
  • D.C. cockerell

Answer: D

Christopher Cockerell invented it.

The British engineer worked out in 1955 that a ring of air blown downward would trap a cushion beneath a craft, testing the idea with two tin cans and a hair dryer. The SR.N1 crossed the Channel in 1959.

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