Gerontechnology, as an expression of the practical and the theoretical, forces an examination of the contemporary world,it's immediate needs,and future trends.For gerontologists this has meant a conscious assessment of the role of technology in the ameliorating, prolonging,and concluding of human life.For engineers and developers of technologies,the presence of increasing numbers of persons over the age of 65 has forged a new vision of the role of technology in the practical pursuit of healthy and rewarding long life.