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20/09/2014

How the crowd is helping to track down extremists, and can twin lasers improve the 3D movie experience? Includes tech news and webscape.

30 minutes

Last on

Mon 22 Sep 201409:35GMT
BBC Two

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  • Sat 20 Sep 201400:30GMT
    BBC News UK & UK HD only
  • Sat 20 Sep 201411:30GMT
    BBC News UK & UK HD only
  • Sat 20 Sep 201414:30GMT
    BBC News UK & UK HD only
  • Sun 21 Sep 201403:30GMT
    BBC News UK & UK HD only
  • Sun 21 Sep 201414:30GMT
    BBC News UK & UK HD only
  • Mon 22 Sep 201409:35GMT
    BBC Two

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