that employ X-rays. Getty Images
Holiday travelers: Sick of waiting in long airport security lines? T-rays are here to help.
Using several new advances in T-rays, or terahertz radiation, airport scanners could soon determine if a vial of white powder in a suitcase is common sugar or illegal drugs.
Scientists at the Massachusetts Institute of Technology, at Rice University, in Europe and elsewhere have independently undertaken research to make it dramatically easier and cheaper to produce, amplify and direct T-rays.
Read more ....