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Roof instead of gas tank

17.08.2005

American engineers believe that it is time to equip the roofs of cars with solar cells.

“If only half a kilowatt of solar power was put on the roof of every one of the two hundred million American cars, they would generate a seventh of the entire electricity in the country,” says Stephen Letendre, an assistant professor at Vermont Green Mountains College. “Now there are already hybrid cars that They are powered by both gasoline and electricity, which means that there is a niche for such a technical solution."

The solar panel is calculated to increase the price of a car by $XNUMX and generate enough power to drive an additional five thousand miles a year in the south of the country and just under a thousand miles in the north. That is, the fuel savings are not particularly great - even at current gasoline prices, the battery will pay off in five years. Therefore, the main reason that will force the driver to lay out money is the danger of being without fuel due to interruptions in its supply. Then the hybrid car will be able to somehow, but move on solar power.

In addition, well-mannered citizens who do not want to pollute the environment with any emissions - either from a car or from a power plant, will certainly not neglect the opportunity to extract energy from sunlight.

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Music therapy for snoring 17.10.2006

Alex Suarez, a Swiss musician who teaches a traditional Australian wind instrument made from a tree trunk eaten away by termites, found that those of his students who snored heavily in their sleep improved this shortcoming after a few lessons. Moreover, the general tone of the body increases and daytime sleepiness disappears.

A group of Swiss doctors became interested in this observation and conducted experiments with the participation of 14 volunteers who snored. They practiced for 25 minutes daily on a copy of the native Plexiglas pipe.

Indeed, snoring disappeared, and with it the tendency to sleepiness disappeared, since for many of us it is explained by lack of sleep - a snoring person often wakes himself up at night. Eleven snorers from the control group who did not play the trumpet did not change anything.

The reason, doctors believe, is that playing the big trumpet trains the muscles of the upper respiratory tract. Snoring is caused precisely by the fact that the walls of the windpipe that are relaxed during sleep collapse and interfere with the passage of air.

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