(measurement of warmth)
31Stevens' power law — is a proposed relationship between the magnitude of a physical stimulus and its perceived intensity or strength. It is often considered to supersede the Weber Fechner law on the basis that it describes a wider range of sensations, although… …
32Crookes radiometer — The Crookes radiometer, also known as the light mill, consists of an airtight glass bulb, containing a partial vacuum. Inside are a set of vanes which are mounted on a spindle. The vanes rotate when exposed to light, with faster rotation for more …
33Wool — is the fiber derived from the specialized skin cells, called follicles, [Australian Wool Corporation, Australian Wool Classing, Raw Wool Services, 1990] of animals in the Caprinae family, principally sheep, but the hair of certain species of… …
34Wind — For other uses, see Wind (disambiguation). Wind, from the …
35river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …
36South Asian arts — Literary, performing, and visual arts of India, Pakistan, Bangladesh, and Sri Lanka. Myths of the popular gods, Vishnu and Shiva, in the Puranas (ancient tales) and the Mahabharata and Ramayana epics, supply material for representational and… …
37Media and Publishing — ▪ 2007 Introduction The Frankfurt Book Fair enjoyed a record number of exhibitors, and the distribution of free newspapers surged. TV broadcasters experimented with ways of engaging their audience via the Internet; mobile TV grew; magazine… …
38Crochet — For a note duration, see Quarter note. Detail of a crocheted doily, Sweden Crochet (English pronunciation: /k …
39Arctic — For the ships, see MV Arctic, SS Arctic, USS Arctic. For other uses, see Arctic (disambiguation) Location of the Arctic …
40Climate change — For current and future climatological effects of human influences, see global warming. For the study of past climate change, see paleoclimatology. For temperatures on the longest time scales, see geologic temperature record …
