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ENIAC (Electronic Numerical Integrator and Computer): One of the first totally electronic, vacuum tube, digital, program-controlled computers was unveiled although it was shut down on 9 November 1946 for a refurbishment and a memory upgrade, and was transferred to Aberdeen Proving Ground, Maryland in 1947.
Tombs represent a large collection of these artifacts and the inner coffins found in the tombs were also made of wood. The metal used by the Egyptians for woodworking tools was originally copper and eventually, after 2000 BC bronze as iron working was unknown until much later. [2]
First constructing the hub (called the nave), the spokes and the rim segments called felloes, (pronounced fell low), [2] and assembling them all into a unit working from the center of the wheel outwards. Most wheels were made from wood, but other materials have been used, such as bone and horn, for decorative or other
Some models of laptop computers have a detachable keyboard, which allows the system to be configured as a touch-screen tablet. They are sometimes called 2-in-1 detachable laptops or tablet-laptop hybrids. [39] Mobile phones are designed to have an extended battery life and light weight, while having less functionality than larger computers.
New knowledge has enabled people to create new tools, and conversely, many scientific endeavors are made possible by new technologies, for example scientific instruments which allow us to study nature in more detail than our natural senses. Since much of technology is applied science, technical history is connected to the history of science.
Desk; c. 1765; mahogany, chestnut and tulip poplar; 87.3 x 92.7 x 52.1 cm; Metropolitan Museum of Art (New York City) A desk or bureau is a piece of furniture with a flat table-style work surface used in a school, office, home or the like for academic, professional or domestic activities such as reading, writing, or using equipment such as a computer.
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Human computers were used to compile 18th and 19th century Western European mathematical tables, for example those for trigonometry and logarithms.Although these tables were most often known by the names of the principal mathematician involved in the project, such tables were often in fact the work of an army of unknown and unsung computers.