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‘The 21 feet long smart tunnel combines all existing and imminent security technology in one place and would slash the time passengers wait at airports. Passengers would simply walk the length of the tunnel while they are scanned.

It would prevent the frustration many passengers feel when they have to partially undress at a security gate.

A version is expected to be trialled within 18 months and could be rolled out at major airports within five years. British authorities are known to be keen to use the next generation of airport security scanners as soon as possible.’

Read more: New Airport Scanner Which Will Take Just Five Seconds