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Lamp Fitness International
2019年1月09日
One of the founder of photography
Historical events of date
Louis-Jacques Daguerre Profession: Photographer and Inventor Nationality: French Louis-Jacques Daguerre is one of the founder of photography Date: 01/09/1839 Why Famous: One of the founders of photography, Daguerre invented the daguerreotype. For twenty years after its public announcement in 1839, it was the most common photographic process in the world. Born: November 18, 1787 Birthplace: Cormeilles-en-Parisis, France Star Sign: Scorpio Died: July 10, 1851 (aged 63) 1839-01-02 1st photo of the Moon (French photographer Louis Daguerre) 1839-01-09 Daguerreotype photo process announced at French Academy of Science 1839-08-19 Details of Louis Daguerre's 1st practical photographic process are released in Paris
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Lamp Fitness International
2019年1月09日
First Photograph of a person.
Historical events of date
In the bottom left corner a man can be seen having his shoes shined on the Boulevard du Temple in Paris Location: Paris, Photographer: Louis Daguerre In early 1838, Louis Daguerre used his famous daguerreotype process of photography to snap a photo of the Boulevard du Temple in Paris. The streets in the photo appear deserted: this is because the exposure time for the photo was so long that the cars and trams could not be captured. Thus only the man having his shoes shined and the shoe shiner were motionless enough to be caught. This is thus the first known photograph of a person. The daguerreotype was the first publicly available process of photography, announced in 1839, and for the following 20 years it was the most commonly used process
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peculiaris4christ
2018年8月28日
WHY DO WE SNEEZE?......
Anybody Can Impact
A sneeze begins with a tickling sensation in the nerve endings that sends a message to your brain that it needs to rid itself of something irritating the lining of your nose. You first take a deep breath and hold it, which tightens your chest muscles. The pressure of air in your lungs increases, you close your eyes, your tongue presses against the roof of your mouth and suddenly your breath comes out fast through your nose. So where did the myth originate that your heart stops when you sneeze? The changing pressure in your chest due to sneezing also changes your blood flow, which may change the rhythm of your heartbeat. Dr. Richard Conti, past president of the American College of Cardiology, speculates that the belief that the heart actually comes to a stop during a sneeze could result from the sensation of having the heart "skip a beat." When there is a prolonged delay before the heart's next beat, he said, that beat is then more forceful and more noticeable, perhaps as a funny sensation in the throat or upper chest (Ray, 1992). Why do people say, “God bless you,” after someone sneezes? Read More......
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