is it the ban on liquids like t likely to change here? diane mass is heed tcedo joins . they can test the liquid passengers bring on the planes. don t te the device developed by an ohio company uses are radio vehiclesy and an ult sonic pulse whether they have explosive capabilities. will it cape out in time for the lift on liquid bans which is set to kickoff? january. while the paper reports u.s. transportation officials are exploring technologies for liquid screening the tsa says in a statement liquid explosives are a serious threat and not ready to move away from the ban on liquids. heathrow is expected to start with medicine and duty free stuff bought at the airport. phase in other liquids gels and aerosols within about a year. it takes 2-5 second per