Dr. Wilder claims to be the first person to recognize that the 'center of disturbance', center of a ridge pattern, is always where a volar pad exists. Wilder is also noted for the idea that ridges are ridge units fused together, a hypothesis which still remains unproven.
Tic-tac-toe is a game that is traditionally played by being drawn on paper, and it can be played on a computer or on a variety of media. History of Tic Tac Toe An early variation of the game was played in the Roman Empire, around the 1st century B.C.
The complete rules for Tic Tac Toe, with variants. Tic Tac Toe is a simple game which, if played optimally by both players, will always result in a tie. However, many players (especially younger children) still enjoy it, and Tic Tac Toe can be made significantly more complex by increasing the size of the board.