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The history of began with the discovery of two critical principles: The first is camera obscura image projection, the ...
23/12/2024

The history of
began with the discovery of two critical principles: The first is camera obscura image projection, the second is the discovery that some substances are visibly altered by exposure to light[2]. There are no artifacts or descriptions that indicate any attempt to capture images with light sensitive materials prior to the 18th century.

View from the Window at Le Gras 1826 or 1827, believed to be the earliest surviving camera photograph.[1] Original (left) and colorized reoriented enhancement (right).
Around 1717, Johann Heinrich Schulze used a light-sensitive slurry to capture images of cut-out letters on a bottle. However, he did not pursue making these results permanent. Around 1800, Thomas Wedgwood made the first reliably documented, although unsuccessful attempt at capturing camera images in permanent form. His experiments did produce detailed photograms, but Wedgwood and his associate Humphry Davy found no way to fix these images.

In 1826, Nicéphore Niépce first managed to fix an image that was captured with a camera, but at least eight hours or even several days of exposure in the camera were required and the earliest results were very crude. Niépce's associate Louis Daguerre went on to develop the daguerreotype process, the first publicly announced and commercially viable photographic process. The daguerreotype required only minutes of exposure in the camera, and produced clear, finely detailed results. On August 2, 1839 Daguerre demonstrated the details of the process to the Chamber of Peers in Paris. On August 19 the technical details were made public in a meeting of the Academy of Sciences and the Academy of Fine Arts in the Palace of Institute. (For granting the rights of the inventions to the public, Daguerre and Niépce were awarded generous annuities for life.)[3][4][5] When the metal based daguerreotype process was demonstrated formally to the public, the competitor approach of paper-based calotype negative and salt print pro

The Ancient 4,500-Year-Old Tunic at the Egyptian Museum.
23/12/2024

The Ancient 4,500-Year-Old Tunic at the Egyptian Museum.

23/12/2024

गुड मॉर्निंग जी 🥰
आपके यहाँ ठंड कैसी है? 🤔

Ten unknown fact about Here are ten lesser-known facts about BMW:1. **BMW's logo isn't based on a propeller**: Contrar...
22/12/2024

Ten unknown fact about
Here are ten lesser-known facts about BMW:

1. **BMW's logo isn't based on a propeller**: Contrary to popular belief, the BMW logo's blue and white colors represent the Bavarian state colors, not a spinning airplane propeller.

2. **BMW built its first car under a license**: BMW’s first car, the 1928 Dixi, was a licensed version of the Austin 7, a British car model.

3. **The BMW M1 was the brand’s only mid-engine supercar**: Introduced in 1978, the BMW M1 is the only mid-engine sports car the company has ever mass-produced.

4. **They manufactured jet engines**: BMW was heavily involved in the production of jet engines during World War II, a legacy that they moved away from after the war.

5. **First turbocharged production car**: BMW introduced the world’s first turbocharged production car with the BMW 2002 Turbo in 1973.

6. **BMW is a leader in hydrogen technology**: BMW has invested in hydrogen fuel cell technology and even produced a hydrogen-powered car, the BMW Hydrogen 7, in 2006.

7. **Motorcycle racing pedigree**: BMW’s motorcycle division is as prestigious as its car division. In fact, they set world speed records and won several championships in the early 20th century.

8. **The grille has evolved, but never disappeared**: BMW's kidney grille is one of the longest-running design elements in automotive history, having first appeared on the 1933 BMW 303.

9. **BMW's factory in Munich survived WWII bombings**: Despite severe damage during WWII, BMW's Munich plant was rebuilt, and it still produces cars today.

10. **BMW once built economy cars**: After WWII, BMW was financially unstable and focused on producing small, fuel-efficient cars, like the Isetta, a bubble car that helped the company survive through the tough post-war years

The history of began with the discovery of two critical principles: The first is camera obscura image projection, the ...
22/12/2024

The history of
began with the discovery of two critical principles: The first is camera obscura image projection, the second is the discovery that some substances are visibly altered by exposure to light[2]. There are no artifacts or descriptions that indicate any attempt to capture images with light sensitive materials prior to the 18th century.

View from the Window at Le Gras 1826 or 1827, believed to be the earliest surviving camera photograph.[1] Original (left) and colorized reoriented enhancement (right).
Around 1717, Johann Heinrich Schulze used a light-sensitive slurry to capture images of cut-out letters on a bottle. However, he did not pursue making these results permanent. Around 1800, Thomas Wedgwood made the first reliably documented, although unsuccessful attempt at capturing camera images in permanent form. His experiments did produce detailed photograms, but Wedgwood and his associate Humphry Davy found no way to fix these images.

In 1826, Nicéphore Niépce first managed to fix an image that was captured with a camera, but at least eight hours or even several days of exposure in the camera were required and the earliest results were very crude. Niépce's associate Louis Daguerre went on to develop the daguerreotype process, the first publicly announced and commercially viable photographic process. The daguerreotype required only minutes of exposure in the camera, and produced clear, finely detailed results. On August 2, 1839 Daguerre demonstrated the details of the process to the Chamber of Peers in Paris. On August 19 the technical details were made public in a meeting of the Academy of Sciences and the Academy of Fine Arts in the Palace of Institute. (For granting the rights of the inventions to the public, Daguerre and Niépce were awarded generous annuities for life.)[3][4][5] When the metal based daguerreotype process was demonstrated formally to the public, the competitor approach of paper-based calotype negative and salt print processes invented by William Henry Fox Talbot was already demonstrated in London (but with less publicity).[5] Subsequent innovations made photography easier and more versatile. New materials reduced the required camera exposure time from minutes to seconds, and eventually to a small fraction of a second; new photographic media were more economical, sensitive or convenient. Since the 1850s, the collodion process with its glass-based photographic plates combined the high quality known from the Daguerreotype with the multiple print options known from the calotype and was commonly used for decades. Roll films popularized casual use by amateurs. In the mid-20th century, developments made it possible for amateurs to take pictures in natural color as well as in black-and-white.

The commercial introduction of computer-based electronic digital cameras in the 1990s soon revolutionized photography. During the first decade of the 21st century, traditional film-based photochemical methods were increasingly marginalized as the practical advantages of the new technology became widely appreciated and the image quality of moderately priced digital cameras was continually improved. Especially since cameras became a standard feature on smartphones, taking pictures (and instantly publishing them online) has become a ubiquitous everyday practice around the world.

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