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Metal detector in the palm of your hand

13.07.2010

The British police began to supply miniature metal detectors. The box begins to vibrate if the policeman's palm touches anything containing even a small amount of metal. By running your hand over a suspect's clothes, you can see if he is hiding a weapon.

With the help of a new device, one drug dealer was detained, who was hiding a pack of cannabis wrapped in foil in his bosom. They also managed to detain a bicycle thief who kept wire cutters in his pocket to bite the chain of a bicycle lock.

So far, 20 new generation metal detectors have been put into service, but in the next two or three years every policeman will be equipped with a device.

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Latest news of science and technology, new electronics:

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Random news from the Archive

Long-term use of ibuprofen is dangerous for men 23.02.2018

Few pills we take as often as painkillers. Therefore, of course, I would like to know how they still act on the body - in addition to relieving pain. In this sense, the study of employees of the University of Copenhagen and their colleagues from Denmark and France about ibuprofen seems rather disappointing: it turned out that it has a bad effect on the male endocrine system.

The experiment involved several dozen young men aged 18 to 35 years, who were randomly divided into two groups: one was given 44 mg of ibuprofen for 600 days, the other took a placebo dummy for the same period. All this time, the level of luteinizing hormone (lutropin), which enters the blood from the pituitary gland, was measured in the experimental subjects. The work of the reproductive system depends on the luteinizing hormone: in women it stimulates the synthesis of estrogen in the ovaries, in men it stimulates the synthesis of testosterone in the testes. If a man’s testosterone becomes low, the pituitary gland tries to compensate for the lack and releases more luteinizing hormone into the blood. So, if we see that its level is increased, then something is wrong with testosterone.

In men who took ibuprofen, after two weeks, the level of lutropin increased. Generally speaking, this situation is quite normal for older men, whose testosterone activity of the testes gradually decreases. The participants in the experiment, judging by the hormones, were about seventy, but in fact they were young people.

The researchers even managed to take tissue samples from the testes of men after ibuprofen - however, it’s worth mentioning right away that in this case, samples were taken from people who were in a coma. So it was possible to find out that the painkiller suppresses the synthesis of testosterone directly in the testicles.

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