Of the 42 per cent of drivers who had used a hand-held phone in the car, 60 per cent said it distracted them.

You can use a hand-held phone only if safely parked or need to call 999 in an emergency.

It found a reaction time of 1.1 second rose to 1.68 for a hand-held phone and more than two seconds while using social media.

Using a hand-held phone while driving can bring a £200 fine and six penalty points.

A driver using a hands-free phone travelled 128ft and one using a hand-held phone 148ft.

He invited us to record images of the crowd using a hand-held scanner.

A hand-held scanner will tell you when and where you last wore that dress, side-stepping any fashion faux pas.

Efficiencies include more own-branded goods, more use of hand-held scanners to keep the aisles full and a more efficient supply chain.

The system will be the world's first reference library of life - and could lead to the use of hand-held scanners to identify creatures.

So far more than 4,000 people have been stopped and searched using portable metal detector arches and hand-held scanners.