What is gals? Detailed answer

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What is gals? Detailed answer

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What is gals?

Hals is one of the marine terms that have several semantic meanings. For a sailing vessel, the tack characterizes the position of the vessel relative to the wind. If the wind blows to the port side, the ship follows the port tack, to the starboard side - the starboard tack.

The tack is also called the segment of the ship's path from turn to turn when sailing in variable courses (for example, when minesweeping or sounding depths). When tacking (tackling) a sailing vessel, the tacks are long, short, profitable and unprofitable (too steep to the wind or almost against the wind).

Alsom is also called the tackle of the running rigging of a sailing vessel, which serves for the lower windward (tack) angle of the sail in the direction down to the bow. Depending on the sail, there are jib-tack, main-tack, fore-tack and mizzen-tack.

Author: Kondrashov A.P.

Random interesting fact from the Great Encyclopedia:

Which monarch was found tattooed with the inscription: Death to kings!?

Jean-Baptiste Bernadotte began his career as a simple soldier in the French royal army. During the revolution, he quickly advanced to division commander, and under Napoleon became a marshal. The next step was an invitation to the successors to the Swedish king, and in 1818 Bernadotte officially took the Swedish throne under the name of Charles XIV Johan, and the Bernadotte dynasty still remains ruling. In 1844, he died, and during preparations for embalming, a tattoo was found on Bernadotte's arm: "Death to kings!".

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robot surgeon 25.12.2010

British doctors have made a robot for heart surgery. Robot Amigo, that is, "friend" in Spanish, created at the University of Leicester, is able to treat cardiac arrhythmias.

One of the causes of this disease is the incorrect work of some part of the heart muscle. You can get rid of arrhythmia by inserting a catheter into the heart through an artery, which reaches the damaged area and burns it out with an electric discharge. The operation, if carried out manually, takes several hours, and under an X-ray source: after all, the doctor needs to see if the catheter has reached the right place.

The robot helps to perform the operation faster, and in addition, it protects the doctor from radiation. The fact is that the robot not only moves the catheter, but also constantly transmits a three-dimensional image of the heart to the display in the next room where the doctor is located.

Scientists made this robot quite recently. At first, he had only a mechanical arm with a catheter, but now an imaging system has been added to it, and with the help of Amigo, its creator, Dr. Andre Ng, has already performed the first operations.

In total, the university clinic annually performs 200 operations to burn out such heart defects as arrhythmia, which is why the task arose to create a mechanical assistant to the surgeon.

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