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.
Literary Journalism. Memoir is the personal side of creative nonfiction but thereâs a public side as well, often referred to as narrative or literary journalismâor âbig ideaâ stories. Michael Pollan (The Botany of Desire) captures big ideas, for example, as does Oliver Sacks (The Man Who Mistook his Wife for a Hat) through creative nonfiction.