Compared to the dose level of a medical chest x-ray, a backscatter scan is thousands of times lower. Since the Christmas Day attempted bombing of a U.S. airliner, airports are looking for ways to tighten security. One method being adopted by some and...
Kent Klein | Washington 31 December 2009 U.S. President Barack Obama has been briefed on early reports about last week's aborted airline terror attack. The president has received a report on how a Nigerian man suspected of terrorist links boarded a U...
