George Bush Intercontinental Airport in Houston, US, has been selected by the Transportation Security Administration (Tsa) to test two image technology machines.

Travellers passing through the airport’s Terminal E will just walk into the allocated area and hold their arms above their head – the technology enables TSA employees to ascertain and detect possible threats without the need for conventional security measures such as wand searches and pat downs.

The new equipment does not permit storage of images and the faces of the passengers remain blurred.

The testing period for the two machines is two months, following which time the TSA will make a decision on whether or not to install the machines throughout the country.