In the later nineteenth century, photography spread in its popularity, and inventions like the Kodak #1 camera (1888) made it accessible to the upper-middle class consumer; the Kodak Brownie camera, which cost far less, reached the middle class by 1900. The Video Camera – From Innovation to Ubiquity. … Television…
During medieval times, the status of a medieval queen was important in that she was considered one of the closest confidants of the king. As such, a medieval queen had access to all the secrets of the kingdom and exerted her influence to safeguard the interests of the king. Queen…
nickel shortage was experienced in the United States from 1950 to 1957. This shortage was the result of rationing by Canadian producers, from which the United States imports about two-thirds of its nickel. The American economy experienced a shift during the 1950s that created more income for more Americans than…
The primary difference that lies between these organic compounds and inorganic compounds is that organic compounds always have a carbon atom while most of the inorganic compounds do not contain the carbon atom in them. Almost all the organic compounds contain the carbon-hydrogen or a simple C-H bond in them.…
While the aerial attack was devastating, the mini submarines failed in their mission. Only one made it into the harbor, and it was quickly sunk during the attack that morning. Why did the Japanese attack Pearl Harbor? The Japanese intended the attack as a preventive action to keep the United…
One was a U.S. Congressman, three were journalists and 914 were residents of the Peoples Temple agricultural mission known as Jonestown. About 80 members of Peoples Temple who were living in Guyana survived that day. Hundreds of members living in San Francisco and Los Angeles did too. When more than…
There were nine survivors, who were sent on to Scotland by Sorley Boy MacDonnell; 260 bodies were washed ashore. The following year the English launched the Counter Armada, with 23,375 men and 150 ships under Sir Francis Drake, but thousands were killed, wounded or died of disease and 40 ships…
Floating disks correspond to the photosynthetic rate because when more disks float it shows that the photosynthesis is occurring. Also, if the disks rise faster it shows that photosynthesis is occurring faster. If the disks do not float it shows that photosynthesis is not happening or that is happening very…
Chile fought two wars against the combined armies of Peru and Bolivia in the middle of the nineteenth century. Peruvian and Bolivian efforts to unite their countries were considered a threat by Chile, which took the offensive and eventually won both wars. Clockwise from top left: Battle of El Roble,…
The Nekromanteion (Greek: Νεκρομαντεῖον) was an ancient Greek temple of necromancy devoted to Hades and Persephone. According to tradition, it was located on the banks of the Acheron river in Epirus, near the ancient city of Ephyra. The Greeks did not like to say the name of Hades. … Hades…