लेखक: H. Dale Langford

Technological Trajectories and the Human Environment provides a surprising projection of a much greener planet, based on long-range analysis of trends in the efficient use of energy, materials, and l …

Technological Trajectories and the Human Environment provides a surprising projection of a much greener planet, based on long-range analysis of trends in the efficient use of energy, materials, and l …

Since the initial laser beam in 1960, use of lasers has mushroomed, opening new frontiers in medicine, manufacturing, communications, defense, and information storage and retrieval. Lasers: Invention …