“It is a truism that technology feeds on itself – that is, work in one area often is quickly applicable in an entirely different area”

"If hydrogen comes to occupy an important place in the energy field, as some now predict, this book will take on an importance that cannot now be foreseen. But at a time when NASA is emphasizing the solution of workaday problems facing the nation and seeking early return on the taxpayers' investment, it seems appropriate to point out the book's practical significance."

JAMES C. FLETCHER

Director of NASA 1977 (CLICK HERE)