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Answers to the question - why? (6 photos)
Bashny.Net
Just know it is impossible, even Vesserman this can not boast.
Therefore, throughout life, we often ask, ask questions, are interested in, we learn.
Now you have become a little smarter.
Why is the speed of the sea measured in knots?
To determine longitude, ancient mariners was calculated how far they sailed over a certain period of time. To do this, they used a special device - "lag". It was an ordinary timber, which tied the rope. Lag thrown overboard from the stern of the ship, and waited rope stretches.
At regular intervals throughout the length of the rope are tied nodes. Sailor, dropping the rope, count how many nodes have passed through his hands for some time. So was calculated speed of the ship. Sailors began to use the word "node" to indicate the speed of the vessel.
Nowadays, the node is equal to one nautical mile per hour, and nautical mile - is 1852 meters - a little more than a land mile. Suppose the ship sails at a speed of 15 knots. This means that it floats at 15 nautical miles per hour (or 28 kilometers) per hour.
Why a New York cop became a "star»?
New York police in a few days was the "star" of the Internet simply because regretted homeless and gave him a warm winter shoes and socks. This story saw tourist Jennifer Foster; she took off the moment of transfer gift tramp seen and described her case in the network. Later, the story and the photo came to the police department, and have been published on their page on Facebook.
According to tourists, November 14 she was walking with her husband on Times Square. Near one of the shops sat barefoot tramp with torn trousers and asked passers-fines. The girl decided to share with coins homeless, when he suddenly saw a police officer, giving the boots and socks this lonely, shivering with cold man.
Generous police officer Larry Deprima decided to go to the nearest store and bought Skechers there for $ 75 a couple of warm boots size 12 and two pairs of wool socks. He then returned to the homeless, and sitting down, put him on his knees gift. "Let's put them on you" - calmly suggested Deprima. He helped put shoes on the stroller, then got up and walked away, not knowing that it was shot on camera.
As the store manager Skechers Jose Cano, tramp was surprised unexpected gesture representative of law and order. "His face broke into a smile from ear to ear, as if he was given a million dollars", - he added. Cano did discount the police, reducing the price to $ 75, to know who designed these things. Check the purchase he still keeps in his pocket in memory of this wonderful event.
Why is sea water salty?
Scientists suggest that during the formation of the Earth's crust and mantle of the ocean along with water vapor allocated acidic volcanic fumes containing chlorine, fluorine, bromine. The first "batch" of water on Earth were acidic. This is the primary water destroyed the newly formed basalt, granite and other crystalline rocks of the crust and extract alkaline - sodium, magnesium, potassium, calcium and others. A chemical reaction in which the elements included in the alkaline compound with chlorine, fluorine, bromine, and the solution was neutralized.
Over time, the flow of acidic volcanic fumes became smaller, and the selection of the rock salt land continued. And, then, and the ocean water is gradually accumulated salt and acquires an alkaline reaction, which is inherent in it now. And somewhere in the 500 million years ago the ocean water stabilized by salt composition and content of the gases in it.
Of course, this is only one of the points of view of scientists, but it has a right to exist, because until now no one really can not answer that question, and all the theories about the origin of the ocean and our planet are just theories, because none of us you have not lived in the old days!
Why during takeoff and landing should be open shutter windows?
According to the rules of safety, during taxi, take-off and landing shutter windows should be opened. The fact that it is at these stages of air transport accounts for the largest number of emergencies. Therefore, pay close attention to safety.
Firstly, your eyes have to get used to natural light, thanks to this you will be able to see better in the event of an emergency. You've probably noticed that during takeoff / landing is also turned off and the main lighting in the cabin.
Secondly, the flight attendants or even passengers can see what's happening behind. This will allow time to report an emergency situation or to evaluate the crew during the evacuation position behind. For example, to see whether or not there is a fire. In addition, in the event of an emergency landing through the portholes rescuers will be able to see what is happening in the cabin.
Well, and thirdly, to ensure that passengers do not injure yourself. After all, if a hard landing plastic curtain may break and cause damage to the face by shrapnel.
By the way, that will break the windows themselves, can not survive. It consists of a 2/3-x / x layer glazed. When this power, that is able to withstand pressure differentials are two windows simultaneously. Illuminators are designed so that they can withstand the pressure between the cabin and the outside atmosphere, with a load comparable to t 4. Internal glass window, which sees passengers inside the cabin, is decorative. His injury will not affect the security of being in an airplane.
Why sweater so called?
Knitted woolen sweater as we know it appeared in Europe in the 19th century. Initially, it was recommended by doctors as clothing for weight loss, as promoted perspiration during exercise. It is from the English verb to sweat, which means "sweat" was the name of a sweater.
Why the 12th month of December is called?
Year in the ancient Roman calendar, in force until the Julian calendar, began in March and part of the months of the year was just named in a row, starting from the first of the month - March. These names have survived to the present day. Since September (september) in Latin - the seventh, October (october) - eighth, November (november) - the ninth and December (december) - the tenth.
These words we speak only of names of the months, and imagine what it was like the ancient Romans after the introduction of the new calendar by Julius Caesar and the transfer of reference beginning of the year in January.
Source: strajj.livejournal.com
Therefore, throughout life, we often ask, ask questions, are interested in, we learn.
Now you have become a little smarter.
Why is the speed of the sea measured in knots?
To determine longitude, ancient mariners was calculated how far they sailed over a certain period of time. To do this, they used a special device - "lag". It was an ordinary timber, which tied the rope. Lag thrown overboard from the stern of the ship, and waited rope stretches.
At regular intervals throughout the length of the rope are tied nodes. Sailor, dropping the rope, count how many nodes have passed through his hands for some time. So was calculated speed of the ship. Sailors began to use the word "node" to indicate the speed of the vessel.
Nowadays, the node is equal to one nautical mile per hour, and nautical mile - is 1852 meters - a little more than a land mile. Suppose the ship sails at a speed of 15 knots. This means that it floats at 15 nautical miles per hour (or 28 kilometers) per hour.
Why a New York cop became a "star»?
New York police in a few days was the "star" of the Internet simply because regretted homeless and gave him a warm winter shoes and socks. This story saw tourist Jennifer Foster; she took off the moment of transfer gift tramp seen and described her case in the network. Later, the story and the photo came to the police department, and have been published on their page on Facebook.
According to tourists, November 14 she was walking with her husband on Times Square. Near one of the shops sat barefoot tramp with torn trousers and asked passers-fines. The girl decided to share with coins homeless, when he suddenly saw a police officer, giving the boots and socks this lonely, shivering with cold man.
Generous police officer Larry Deprima decided to go to the nearest store and bought Skechers there for $ 75 a couple of warm boots size 12 and two pairs of wool socks. He then returned to the homeless, and sitting down, put him on his knees gift. "Let's put them on you" - calmly suggested Deprima. He helped put shoes on the stroller, then got up and walked away, not knowing that it was shot on camera.
As the store manager Skechers Jose Cano, tramp was surprised unexpected gesture representative of law and order. "His face broke into a smile from ear to ear, as if he was given a million dollars", - he added. Cano did discount the police, reducing the price to $ 75, to know who designed these things. Check the purchase he still keeps in his pocket in memory of this wonderful event.
Why is sea water salty?
Scientists suggest that during the formation of the Earth's crust and mantle of the ocean along with water vapor allocated acidic volcanic fumes containing chlorine, fluorine, bromine. The first "batch" of water on Earth were acidic. This is the primary water destroyed the newly formed basalt, granite and other crystalline rocks of the crust and extract alkaline - sodium, magnesium, potassium, calcium and others. A chemical reaction in which the elements included in the alkaline compound with chlorine, fluorine, bromine, and the solution was neutralized.
Over time, the flow of acidic volcanic fumes became smaller, and the selection of the rock salt land continued. And, then, and the ocean water is gradually accumulated salt and acquires an alkaline reaction, which is inherent in it now. And somewhere in the 500 million years ago the ocean water stabilized by salt composition and content of the gases in it.
Of course, this is only one of the points of view of scientists, but it has a right to exist, because until now no one really can not answer that question, and all the theories about the origin of the ocean and our planet are just theories, because none of us you have not lived in the old days!
Why during takeoff and landing should be open shutter windows?
According to the rules of safety, during taxi, take-off and landing shutter windows should be opened. The fact that it is at these stages of air transport accounts for the largest number of emergencies. Therefore, pay close attention to safety.
Firstly, your eyes have to get used to natural light, thanks to this you will be able to see better in the event of an emergency. You've probably noticed that during takeoff / landing is also turned off and the main lighting in the cabin.
Secondly, the flight attendants or even passengers can see what's happening behind. This will allow time to report an emergency situation or to evaluate the crew during the evacuation position behind. For example, to see whether or not there is a fire. In addition, in the event of an emergency landing through the portholes rescuers will be able to see what is happening in the cabin.
Well, and thirdly, to ensure that passengers do not injure yourself. After all, if a hard landing plastic curtain may break and cause damage to the face by shrapnel.
By the way, that will break the windows themselves, can not survive. It consists of a 2/3-x / x layer glazed. When this power, that is able to withstand pressure differentials are two windows simultaneously. Illuminators are designed so that they can withstand the pressure between the cabin and the outside atmosphere, with a load comparable to t 4. Internal glass window, which sees passengers inside the cabin, is decorative. His injury will not affect the security of being in an airplane.
Why sweater so called?
Knitted woolen sweater as we know it appeared in Europe in the 19th century. Initially, it was recommended by doctors as clothing for weight loss, as promoted perspiration during exercise. It is from the English verb to sweat, which means "sweat" was the name of a sweater.
Why the 12th month of December is called?
Year in the ancient Roman calendar, in force until the Julian calendar, began in March and part of the months of the year was just named in a row, starting from the first of the month - March. These names have survived to the present day. Since September (september) in Latin - the seventh, October (october) - eighth, November (november) - the ninth and December (december) - the tenth.
These words we speak only of names of the months, and imagine what it was like the ancient Romans after the introduction of the new calendar by Julius Caesar and the transfer of reference beginning of the year in January.
Source: strajj.livejournal.com
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