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formaldehyde in indoor air are actually very common. When found at high levels in air, it can be detected by a sharp smell. High concentrations of formaldehyde can cause irritation of the eyes, nose and throat and can worsen asthma symptoms...
was the first to get a picture set. This happened in 1826/27 when he managed to establish a permanent image of the courtyard of his house. To make this photograph used a pewter plate coated with bitumen of Judea, exposing the plate to light...
Da Vinci’s ideas and thoughts, and have used it practically in their life. Body Leonardo Da Vinci was one of the most famous painters of his time, and has provided the world with many creative ideas and thoughts. His ideas were unique and h...
chemical company LumiChem and manufactures a broad range of paints, pigments and coatings. The company is looking for possible ways for expanding its business into different markets, such as United Kingdom. The paints and coating industry ...
Detroit, a city in southeastern Michigan, seat of Wayne county, the most populous city in the state and the tenth largest in the United States. It is situated across the Detroit River from the Canadian city of Windsor, Ontario. Detroit str...
about the word "camera." What is the first image that comes to mind? For most people, the image that is evoked is of a modern day disposable camera or an SLR camera. The origins of the "camera" go much farther back than what most people en...
Sanzio, better known as Raphael was born on April 6, 1483 in Urbino. The youngest of the trilogy of 'High Renaissance,' consisting of the legendary Michelangelo and Leonardo da Vinci, he was one of the finest artists of his times. Packed wi...