"Within a couple of years we'll see eye-tracking in consumer products, like consumer computing and cars, " says Jenny Grant, strategic business development manager for Tobii Technology.

CNN: Watch this space: Eye-control to give technology a new look

"It's ugly, " says Marshall Behling, VeriSign's strategic business development manager.

CNN: VeriSign takes the pain out of digital certificates

David Edmondson, the council's strategic development team manager, said the Falmouth situation was different from Texas because Cornwall was dealing with smaller quantities and the chemical was not manufactured in the town.

BBC: Falmouth explosion fear from ammonium nitrate store