Part of the IT standards and organizations glossary: The Stefan-Boltzmann constant, symbolized by the lowercase Greek letter sigma (), is a physical constant involving black body radiation.A black body, also called an ideal radiator, is an object that radiates or absorbs energy with perfect efficiency at all electromagnetic wavelength s.art of the IT standards and organizations glossary: The Stefan-Boltzmann constant, symbolized by the lowercase Greek letter sigma (), is a physical constant involving black body radiation.
Definition of memoir for English Language Learners. memoirs : a written account in which someone (such as a famous performer or politician) describes past experiences.
SRS: A personal essay is an effort to clarify some confusion, recount a passage of experience, tell of an inward or outward journey. A memoir is usually a larger attempt to discern the shape of a life, or a significant portion of a life.As the name implies, memoir is also implicitly about memory.RS: Facts are data; truth is the sense we make of the data. And the sense we make should always be open to revision, to new evidence, to further discovery. The writer of nonfiction has an obligation, I believe, to be faithful to the facts, so far as they can be known or reconstructed.