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Episode 4

Richard Hammond explores how bats might revolutionise life for the visually impaired.

10 minutes

Last on

Thu 20 Aug 2015 13:45

Broadcasts

  • Thu 23 Jan 2014 07:45
  • Sat 11 Oct 2014 13:45
  • Thu 20 Aug 2015 07:25
  • Thu 20 Aug 2015 13:45