Candela unit, the "candela". In 1967 the 13th CGPM removed the term "new candle" and gave an amended version of the candela definition, specifying the atmospheric pressure applied to the freezing platinum: The candela is the luminous intensity, in the perpendicular direction, of a surface of square metre of a black body at the temperature of freezing platinum under a pressure of newtons per square metre. In 1979, because of the difficulties in realizing a Planck radiator at high temperatures and the new possibilities offered by radiometry, the 16th CGPM adopted the modern definition of the candela. The arbitrary (1/683) term
The Measure of a Man: A Spiritual Autobiography his upbringing and the invaluable legacy of his parents. Just a few years after his introduction to indoor plumbing and the automobile, Poitier broke racial barrier after racial barrier to launch a pioneering acting career. Committed to the notion that what one does for a living shows who one is, Poitier chose to play forceful and affecting characters who said something positive, useful, and lasting about the human condition. "The true measure of a man is in how he provided for his children" this was one lesson Sidney learnt from his father and held dear to his heart all his