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Turtle graphics are often associated with the Logo programming language. [2] Seymour Papert added support for turtle graphics to Logo in the late 1960s to support his version of the turtle robot, a simple robot controlled from the user's workstation that is designed to carry out the drawing functions assigned to it using a small retractable pen set into or attached to the robot's body.
The first working Logo turtle robot was created in 1969. A display turtle preceded the physical floor turtle. Modern Logo has not changed very much from the basic concepts predating the first turtle. The first turtle was a tethered floor roamer, not radio-controlled or wireless. At BBN Paul Wexelblat developed a turtle named Irving that had ...
The pond slider (Trachemys scripta) is a species of common, medium-sized, semiaquatic turtle.Three subspecies are described, [2] the most recognizable of which is the red-eared slider (T. s. elegans), which is popular in the pet trade and has been introduced to other parts of the world by people releasing it to the wild.
The word turtle is borrowed from the French word tortue or tortre 'turtle, tortoise'. [3] It is a common name and may be used without knowledge of taxonomic distinctions. In North America, it may denote the order as a whole. In Britain, the name is used for sea turtles as opposed to freshwater terrapins and land-dwelling tortoises. In Australia ...
NetLogo was designed by Uri Wilensky, in the spirit of the programming language Logo, to be "low threshold and no ceiling".It teaches programming concepts using agents in the form of turtles, patches, links and the observer. [2]
Turtle Geometry is a college-level math text written by Hal Abelson and Andrea diSessa which aims to engage students in exploring mathematical properties visually via a simple programming language to maneuver the icon of a turtle trailing lines across a personal computer display.
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Eastern box turtles have a high, domelike carapace and a hinged plastron that allows total shell closure. Their shell has a middorsal keel that smooths out with age. [5] The carapace can be of variable coloration but is normally brownish or black and accompanied by a yellowish or orangish radiating pattern of lines, spots, or blotches.