Seesaw development in Appalachia. 'Hickey-horse' in the coastal regions of North Carolina is consistent with other linguistic and ethnic variations." Seesaw A seesaw (also known as a teeter-totter or teeterboard) is a long, narrow board supported by a single pivot point, most commonly located at the midpoint between both ends; as one end goes up, the other goes down. Mechanically, a seesaw is a lever which, like all levers, consists of a beam and fulcrum. The most common playground design of seesaw features a board balanced in the center. A person sits on each end, and they take turns pushing their
Known Space Nebula, Hugo, and Locus best novel awards. "Protector" (1973) and "The Ringworld Engineers" (1980) were nominated for the Hugo and Locus Awards. Niven has described his fiction as "playground equipment", encouraging fans to speculate and extrapolate on the events described. Debates have been made, for example, on who built the Ringworld (Pak Protectors and the Outsiders being the traditional favorites, but see "Ringworld's Children" for a possibly definitive answer), and what happened to the Tnuctipun. Niven also states that this is not an invitation to violate his copyrights, warning potential publishers and editors not to proceed without permission. Niven was