Ireland's hoping thermal cameras will get it back to work - but technical and privacy experts have reservations

Heathrow is to begin temperature screening of passengers, several weeks after the measure was deployed by many other major airports around the world. PA Photo

Adrian Weckler technology editor

AS of this month, visitors to University Hospital Limerick are greeted by a new contraption inside the entrance.

Hooked up to a laptop, a special thermal camera reads their skin temperature from a few feet away.