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Science And Technology In The United States
Science and technology in the United States has Technological and industrial history of the United States, a long history, producing many important figures and developments in the field. The United States of America came into being around the Age of Enlightenment (1685 to 1815), an era in Western philosophy in which writers and thinkers, rejecting the perceived superstitions of the past, instead chose to emphasize the intellectual, scientific and cultural life, centered upon the 18th century, in which reason was advocated as the primary source for legitimacy and authority. Enlightenment philosophers envisioned a "republic of science," where ideas would be exchanged freely and useful knowledge would improve the lot of all citizens. The United States Constitution itself reflects the desire to encourage scientific creativity. It gives the United States Congress the power "to promote the progress of science and useful arts, by securing for limited times to authors and inventors the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Technological And Industrial History Of The United States
The technological and industrial history of the United States describes the emergence of the United States as one of the most technologically advanced nations in the world in the 19th and 20th centuries. The availability of land and literate labor, the absence of a landed aristocracy, the Reputation, prestige of entrepreneurship, the diversity of climate and large easily accessed upscale and literate markets all contributed to America's rapid industrialization. The availability of capital, development by the free market of navigable rivers and coastal waterways, as well as the abundance of natural resources facilitated the cheap extraction of energy all contributed to America's rapid industrialization. Fast transport by the first transcontinental railroad built in the mid-19th century, and the Interstate Highway System built in the late 20th century, enlarged the markets and reduced shipping and production costs. The legal system facilitated business operations and guarante ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lewis And Clark
Lewis may refer to: Names * Lewis (given name), including a list of people with the given name * Lewis (surname), including a list of people with the surname Music * Lewis (musician), Canadian singer * " Lewis (Mistreated)", a song by Radiohead from ''My Iron Lung'' Places * Lewis (crater), a crater on the far side of the Moon * Isle of Lewis, the northern part of Lewis and Harris, Western Isles, Scotland United States * Lewis, Colorado * Lewis, Indiana * Lewis, Iowa * Lewis, Kansas * Lewis Wharf, Boston, Massachusetts * Lewis, Missouri * Lewis, Essex County, New York * Lewis, Lewis County, New York * Lewis, North Carolina * Lewis, Vermont * Lewis, Wisconsin Ships * USS ''Lewis'' (1861), a sailing ship * USS ''Lewis'' (DE-535), a destroyer escort in commission from 1944 to 1946 Science * Lewis structure, a diagram of a molecule that shows the bonding between the atoms * Lewis acids and bases * Lewis antigen system, a human blood group system * Lewis number, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Peale's Philadelphia Museum
The Philadelphia Museum was an early museum in Philadelphia Philadelphia ( ), colloquially referred to as Philly, is the List of municipalities in Pennsylvania, most populous city in the U.S. state of Pennsylvania and the List of United States cities by population, sixth-most populous city in the Unit ... started by the painter Charles Willson Peale and continued by his family. It was opened in 1784 as an art museum and added a natural history collection in 1786. The exhibits included the first nearly complete skeleton of the mastodon, a relative of the mammoth. Peale died in 1827 and the collection was sold in 1849 and 1854. History Early years Peale opened the Philadelphia Museum in his home at Third and Lombard Streets in 1784. The first exhibition was a collection of forty-four portraits of "worthy personages" from the American Revolutionary War. Two years later, in 1786, he advertised his museum as a repository for natural curiosities. In addition to portraits the mus ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pennsylvania Hospital
Pennsylvania Hospital is a Private hospital, private, non-profit, 515-bed teaching hospital located at 800 Spruce Street (Philadelphia), Spruce Street in Center City, Philadelphia, Center City Philadelphia, The hospital was founded on May 11, 1751 by Benjamin Franklin and Thomas Bond (American physician), Thomas Bond. It was the second public hospital in the United States (after only Bellevue Hospital) and had its first surgical amphitheater. and its first medical library. It is part of the University of Pennsylvania Health System. The hospital's main building, dating to 1756, is a National Historic Landmark. History 18th century Pennsylvania Hospital was originally conceived in 1751 by Thomas Bond as an institution "for the reception and cure of the sick poor...free of charge. It was funded by "matching grant" to donations of the people of Philadelphia by a bill, which the House passed unanimously on February 7, 1750. Franklin later wrote that, "I do not remember any of my pol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Public Health
Public health is "the science and art of preventing disease, prolonging life and promoting health through the organized efforts and informed choices of society, organizations, public and private, communities and individuals". Analyzing the determinants of health of a population and the threats it faces is the basis for public health. The ''public'' can be as small as a handful of people or as large as a village or an entire city; in the case of a pandemic it may encompass several continents. The concept of ''health'' takes into account physical, psychological, and Well-being, social well-being, among other factors.What is the WHO definition of health? from the Preamble to the Constitution of WHO as adopted by the Internationa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hygiene
Hygiene is a set of practices performed to preserve health. According to the World Health Organization (WHO), "Hygiene refers to conditions and practices that help to maintain health and prevent the spread of diseases." Personal hygiene refers to maintaining the body's cleanliness. Hygiene activities can be grouped into the following: home and everyday hygiene, personal hygiene, medical hygiene, sleep hygiene, and Food safety, food hygiene. Home and every day hygiene includes hand washing, respiratory hygiene, food hygiene at home, hygiene in the kitchen, hygiene in the bathroom, laundry hygiene, and medical hygiene at home. And also environmental hygiene in the society to prevent all kinds of bacterias from penetrating into our homes. Many people equate hygiene with "cleanliness", but hygiene is a broad term. It includes such personal habit choices as how frequently to take a shower or bath, wash hands, trim Nail (anatomy), fingernails, and wash clothes. It also includes atte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Surgeon General
The surgeon general of the United States is the operational head of the United States Public Health Service Commissioned Corps (PHSCC) and thus the leading spokesperson on matters of public health in the federal government of the United States. The surgeon general's office and staff are known as the Office of the Surgeon General (OSG), which is housed within the Office of the Assistant Secretary for Health. The U.S. surgeon general is nominated by the president of the United States and confirmed by the Senate. The surgeon general must be appointed from individuals who are members of the regular corps of the U.S. Public Health Service and have specialized training or significant experience in public health programs. However, there is no time requirement for membership in the Public Health Service before holding the office of the Surgeon General, and nominees traditionally were appointed as members of the Public Health Service and as surgeon general at the same time. The surgeon ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pennsylvania
Pennsylvania, officially the Commonwealth of Pennsylvania, is a U.S. state, state spanning the Mid-Atlantic (United States), Mid-Atlantic, Northeastern United States, Northeastern, Appalachian, and Great Lakes region, Great Lakes regions of the United States. It borders Delaware to its southeast, Maryland to its south, West Virginia to its southwest, Ohio and the Ohio River to its west, Lake Erie and New York (state), New York to its north, the Delaware River and New Jersey to its east, and the Provinces and territories of Canada, Canadian province of Ontario to its northwest via Lake Erie. Pennsylvania's most populous city is Philadelphia. Pennsylvania was founded in 1681 through a royal land grant to William Penn, the son of William Penn (Royal Navy officer), the state's namesake. Before that, between 1638 and 1655, a southeast portion of the state was part of New Sweden, a Swedish Empire, Swedish colony. Established as a haven for religious and political tolerance, the B ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Navigation
Navigation is a field of study that focuses on the process of monitoring and controlling the motion, movement of a craft or vehicle from one place to another.Bowditch, 2003:799. The field of navigation includes four general categories: land navigation, marine navigation, air navigation, aeronautic navigation, and space navigation. It is also the term of art used for the specialized knowledge used by navigators to perform navigation tasks. All navigational techniques involve locating the navigator's Position (geometry), position compared to known locations or patterns. Navigation, in a broader sense, can refer to any skill or study that involves the determination of position and Relative direction, direction. In this sense, navigation includes orienteering and pedestrian navigation. For marine navigation, this involves the safe movement of ships, boats and other nautical craft either on or underneath the water using positions from navigation equipment with appropriate nautical char ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Philadelphia
Philadelphia ( ), colloquially referred to as Philly, is the List of municipalities in Pennsylvania, most populous city in the U.S. state of Pennsylvania and the List of United States cities by population, sixth-most populous city in the United States, with a population of 1,603,797 in the 2020 United States census, 2020 census. The city is the urban core of the Philadelphia metropolitan area (sometimes called the Delaware Valley), the nation's Metropolitan statistical area, seventh-largest metropolitan area and ninth-largest combined statistical area with 6.245 million residents and 7.379 million residents, respectively. Philadelphia was founded in 1682 by William Penn, an English Americans, English Quakers, Quaker and advocate of Freedom of religion, religious freedom, and served as the capital of the Colonial history of the United States, colonial era Province of Pennsylvania. It then played a historic and vital role during the American Revolution and American Revolutionary ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American Revolution
The American Revolution (1765–1783) was a colonial rebellion and war of independence in which the Thirteen Colonies broke from British America, British rule to form the United States of America. The revolution culminated in the American Revolutionary War, which was launched on April 19, 1775, in the Battles of Lexington and Concord. Leaders of the American Revolution were Founding Fathers of the United States, colonial separatist leaders who, as British subjects, initially Olive Branch Petition, sought incremental levels of autonomy but came to embrace the cause of full independence and the necessity of prevailing in the Revolutionary War to obtain it. The Second Continental Congress, which represented the colonies and convened in present-day Independence Hall in Philadelphia, formed the Continental Army and appointed George Washington as its commander-in-chief in June 1775, and unanimously adopted the United States Declaration of Independence, Declaration of Independence ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charles Willson Peale
Charles Willson Peale (April 15, 1741 – February 22, 1827) was an American painter, military officer, scientist, and naturalist. In 1775, inspired by the American Revolution, Peale moved from his native Maryland to Philadelphia, where he set up a painting studio and joined the Sons of Liberty. During the American Revolutionary War, Peale served in the Pennsylvania Militia and the Continental Army, participating in several military campaigns. In addition to his military service, Peale also served in the Pennsylvania State Assembly from 1779 to 1780. Peale's portraits of leading American figures of the late 18th century are some of the most recognizable and prominent from that era. In 1784, he founded the Peale's Philadelphia Museum, Philadelphia Museum, one of the first American museums. More than two centuries after Peale painted his 1779 portrait ''Washington at Princeton'', the painting sold for $21.5 million, the highest price ever paid for an American portrait. Early life ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
