Seesaw 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 feet against the ground to lift their side into the air. Playground seesaws usually have handles for the riders
Karl V. Teeter Karl V. Teeter Karl van Duyn Teeter (March 2, 1929 – April 20, 2007) was an American linguist known especially for his work on the Algic languages. Teeter was born in Berkeley, California, to Charles Edwin Teeter, Jr., a college professor of acoustic engineering, and Lura May (née Shaffner) Teeter. Raised in Lexington, Massachusetts, he dropped out of high school and joined the United States Army, where he served as a Supply Sergeant from 1951 to 1954. In 1951, Teeter married Anita Maria Bonacorsi, the daughter of Sicilian immigrants. Sent to Japan to serve in the occupation forces, he became