Add to favorite
 
123
Subscribe to our Newsletters Subscribe to our Newsletters Get Daily Updates RSS


Unique Detector for Explosives Created
June 4, 2010 17:15


A detector prototype

Russian physicists from the Institute of Physics in cooperation with several other research institutions have built a unique device – a photonuclear detector of hidden explosive substances. The device can detect explosives in luggage of air passengers and various closed containers, as well as serve as a portable detect for demining activities.

When a closed container is exposed to high-energy flow of gamma-radiation, nuclei of nitrogen and carbon atoms, which are components of explosive substances and natural drugs, will become covered with boron and nitrogen isotopes (12B and (12N). These elements have very short lifetimes and can be detected separately from other radionuclides. Signal from such elements allows suspecting presence of explosive substances.

A technique, developed by Russian physicists, can create “portraits” of chemical compounds, exposed to gamma-radiation. Comparing these “portraits” with detector signal, we can distinguish explosives from ordinary safe substances, containing nitrogen and carbon. We even can tell what type of explosive is hidden in a container. Gamma-quanta have enormous penetrating power – this helps detect explosives, covered with metals, water and soil. Making radiation beam narrow allows finding exact location of a bomb and even its shape.

 

 

 
Theory of photonuclear technique for detecting hidden explosive substances appeared in 1985. Russian researchers decided to put theory into practice. Funds for the project came after famous sad date 9/11 from America. Scientists already built a prototype of the detector. All its components, including portable electron accelerator (a split microtron), a secondary radiation detector and a signal processing module are working normally. American colleagues calculated that a single detector would be enough to provide safety for New York’s JFK, which is a very big airport.

The device requires only 2 seconds for checking one item of luggage. Such a small processing time makes the detector an ideal means for providing safety in airports and railway stations. First working device will be built in the United States by the end of the year. The United States, being the major development partner, need all 2030 airports in the country to be equipped with these detectors. Other countries, like Saudi Arabia, Malaysia and Turkey, have also placed orders for Russian photonuclear detectors of hidden explosive substances.

A photonuclear technique for detecting hidden explosive substances has another useful application – a detector can be incorporated into a robotic mobile complex for demining activities, since unexploded ordnance, left after military campaigns, is a serious problem for more than 60 countries of the world. Russian scientists performed a computer modeling and showed that safety and reliability of their development meets all existing UN standards for unexploded ordnance (UXO) clearance. An automatic detector can replace widely used manual demining technology, thus reducing unnecessary risks and making demining much faster.

Source: Institute of Physics

Kizilova Anna


Tags: Russian Scientists     

Next Previous

You might also find interesting:

Electron Accelerator to Help Producing Nanopowder Microcapsules to Carry DNA-Vaccines Metal Herbs Branched Peptides Instead of Antibiotics Space Aircraft Engine Engineered in Russia









Comment on our site


RSS   twitter      submit



TAGS:
Archaeology  Graphic Art  Russian tourism  Krasnoyarsk  Russian science  Garbage  Russian economy  Perm  Film Festival "Message to Man"  Rostov  Moscow  Konstantin Latyshev  Bruno Freindlich  Baikal  Russian Folk Crafts  Folk Arts  European Union  Zombie Parade  statistics  ROSCOSMOS  Igor Shuvalov  Russian business  Music Hall Theatre  St. Petersburg  Russian media  David Shterenberg  Leningrad Region  airport transfers  Russian scientists  Charity  Exhibitions in Moscow  low cost airline  Oil Extraction  Transportation  Sochi autodrom  accident  winter tours  Jazz  Nazyvayevsk  Mercedes-Benz Fashion Week Russia  Russian Cinema  Norilsk Nickel  Vyshny Volochyok  Mikhail Bulgakov  Russian National Parks  fashion designer  ice town  All Events  Irkutsk Region  Aleksey Leonov  


Travel Blogs
Top Traveling Sites