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Sneakers with electronics

07.01.2007

Regular running shoes are not suitable for all sports and not for all surfaces. The purpose of sports shoes is to absorb the impact of the foot, and the force of these impacts is different, for example, when jogging, marathon or sprinting, while jumping. The load on the foot is different when running on asphalt and when playing tennis on grass. Therefore, up to now, sneakers of different types have been produced for various sports.

The well-known company "Adidas" released in 2005 sneakers with automatic adjustment of the degree of rigidity of the sole. The "Adidas 1" adapts itself to the demands of the moment by changing the properties of the outsole. Sensors hidden in the sole measure loads and deformations a thousand times per second. Based on this data, the microprocessor calculates the ideal level of cushioning and sends an order to the electromagnets that change the stiffness of the heel. The battery that powers the electronics lasts for a hundred hours.

The newly released "Adidas 1.1 Basketball" model is specially designed for basketball players, it can capture and adapt to its owner's playing style. The defender and the attacker need shoes with different properties, the rigidity of the sole should also change depending on the game situations - jumping or running.

If within five minutes the load on the sole does not change, the sneakers "fall asleep", saving battery power. At the same time, a red light on the side of the heel flashes, indicating that the electronics have not turned off, but have switched to economy mode. If there are no changes within two hours, the system is turned off completely.

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Electronic cigarettes are not better than regular ones 11.01.2016

Jessica Wang-Rodriguez, a pathologist at the San Diego branch of the U.S. Department of Veterans Affairs, and her colleagues concluded that e-cigarettes are no better than conventional ones: cells exposed to e-cigarette vapor are damaged and die. same as with nicotine. Scientists believe that the popular alternative to traditional cigarettes is not safe, and its distribution is potentially dangerous for the public.

The production of electronic cigarettes is developing very intensively. Marketing analysis shows that about 10 new brands and about 240 fragrances appear every month.

The question of the effect of electronic cigarettes to this day remains debatable. A study this year by a group of British American Tobacco researchers found that e-cigarette vapor was not cytotoxic.

At the same time, scientists from the University of Rochester (USA) found that e-cigarette flavor emissions contain free radicals, heavy metals and inflammatory agents. Researchers at the Norwegian Institute of Public Health also concluded that since e-cigarettes contain the same amount of nicotine, the same undesirable effects can be expected from their use. However, almost all researchers agreed that the risks from smoking electronic cigarettes are still lower on average compared to conventional cigarettes.

According to Kevin Fenton, Director of the National Department of Public Health and Welfare (UK), in general, the content of harmful chemicals, including carcinogens, in e-cigarette vapor is much lower. However, the best thing a smoker can do to maintain their health is to stop smoking completely, he says. "In turn, we must provide smokers with accurate information about the various methods to quit smoking," said Kevin Fenton.

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