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Creeper was an experimental computer program written by Bob Thomas at BBN in 1971. [2] Its original iteration was designed to move between DEC PDP-10 mainframe computers running the TENEX operating system using the ARPANET , with a later version by Ray Tomlinson designed to copy itself between computers rather than simply move. [ 3 ]
There are a few distinctly different channel types based on their geological structure and depositional environment. Braided rivers carry fairly coarse-grained sediment down a fairly steep gradient. They typically exhibit numerous channels that split off and rejoin each other to give a braided appearance.
In geography, different geographic (scale) levels are distinguished: The local scale level relates to a small area, usually a city or municipality; The regional scale level relates to a larger area, usually a region, state or province; The national scale level relates to a country; The continental scale level refers to a continent;
Geography Now (also stylized as Geography Now!) is an American educational YouTube channel and web series created and hosted by Paul Barbato. It profiles UN-recognized countries in the world in alphabetical order and covers additional topics related to physical and political geography. The channel was started in August 2014 and has gained over ...
The new reaper only required two horses working in a non-strenuous manner, a man to work the machine, and another person to drive. In addition, the Hussey Reaper left an even and clean surface after its use. [9] The McCormick Reaper was designed by Robert McCormick in Walnut Grove, Virginia. However, Robert became frustrated when he was unable ...
A wide variety of river and stream channel types exist in limnology, the study of inland waters. All these can be divided into two groups by using the water-flow gradient as either low gradient channels for streams or rivers with less than two percent (2%) flow gradient, or high gradient channels for those with greater than a 2% gradient.
Dell in the Little Carpathians with a dry stream channel. In physical geography, a dell is a grassy hollow—or dried stream bed—often partially covered in trees. [1] [2] In literature, dells have pastoral connotations, frequently imagined as secluded and pleasant safe havens.
The term was criticized by James M. Blaut: "the word metageography seems to have been coined by the authors as an impressive-sounding synonym for 'world cultural geography.'" [4] Lewis and Wigen, however, disagreed, arguing that every consideration of human affairs employs a metageography as a structuring force on one's conception of the world [5]