T-rays: Next step in science evolution

They can see through clothing, plastic and packaging well enough to identify explosives, guns or even biological weapons instantly and accurately.

    T-ray technology can be used for airport security

    They have the potential to become a powerful new weapon in the fight against crime and can also penetrate bad weather, dust or smoke better than infrared or visible systems.

     

    They can even detect diseases such as cancer.

      

    Welcome to the cutting edge of radio and optical science, TeraHertz Rays, or T-rays, discovered a century ago, but developed into a useable technology only within the last few years and about to be showcased by an international conference in Australia this week.

      

    Leading scientists from Australia, the United States, Europe and Asia will share the latest advances in the technology at the conference, sponsored by the Australian government's Defence Science and Technology Organisation (DSTO) at Adelaide University on Thursday and Friday.

     

    One of the principal speakers will be the acknowledged "father" of T-rays, professor Xi-Cheng Zhang of New York's Rensselaer Polytechnic Institute, who has spent more than 20 years developing them.

     

    Difficult area

      

    Recognised as a difficult area of physics, T-rays are described as emissions between infrared and microwaves.

     

    Medical diagnosis stands to
    benefit immensely from T-rays

    "Most molecules vibrate in the terahertz frequency, so if you can detect them with T-rays, you can get a very good 'fingerprint'," conference organiser, Adelaide University professor Derek Abbott said in a statement on Tuesday.

      

    "T-rays pass through things like food packaging, clothing, plastic and cardboard enabling us to analyse what is inside.

      

    "This means they can be used to detect and identify weapons of metal or plastic, illicit drugs or biological hazards like anthrax, even if they were hermetically sealed.

     

    Low energy

      

    Abbott continued: "You can find out much more about the substance than you would with optical, infrared or x-ray imaging, and this helps to identify it precisely."

      

    "One of the most important recent discoveries is that
    T-rays can also be
    used to detect cancer"
     

    Derek Abbott,

    Adelaide University

    Because T-rays are low energy, they are also safe to use around people, unlike X-rays.

      

    He added: "One of the most important recent discoveries is that T-rays can also be used to detect cancer. Australia is part of the big scientific race to find out why."

      

    Scientists believe that due to their low penetrating power of the human body, T-rays would probably be used to scan the outer skin or, on endoscopes, to scan the bowel and other organs for early signs of cancer.

      

    Abbott said the potential applications of T-rays are huge, from food safety and quality monitoring, to disease detection, airport security, postal scans for drugs, explosives or bio-weapons, military threat detection and medical diagnosis.

    SOURCE: AFP


    YOU MIGHT ALSO LIKE

    Interactive: Plundering Cambodia's forests

    Interactive: Plundering Cambodia's forests

    Meet the man on a mission to take down Cambodia's timber tycoons and expose a rampant illegal cross-border trade.

    The priceless racism of the Duke of Edinburgh

    The priceless racism of the Duke of Edinburgh

    Prince Philip has done the world an extraordinary service by exposing the racist hypocrisy of "Western civilisation".

    China will determine the future of Venezuela

    China will determine the future of Venezuela

    There are a number of reasons why Beijing continues to back Maduro's government despite suffering financial losses.