BBC Travel's Passport Blog | As controversy simmers surrounding the levels of radiation used in full body scanners, a small company based in the United Kingdom has developed a machine that emits no radiation at all.
Last year, the US Transportation Security Administration (TSA) began installing two types of full body scanners at airport security checkpoints across the country. L3’s Provision millimetre wave scanners beam radio waves through clothing to detect potentially dangerous objects hidden by terrorists. Rapiscan backscatter scanners use low-dose x-rays to do the same.
While both companies and the TSA say the radiation emitted by these machines is at safe levels, the scientific community has not reached a strong consensus either way....