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sumptuary laws

(Encyclopedia)sumptuary laws sŭmpˈcho͞oĕˌrē [key], regulations based on social, religious, or moral grounds directed against overindulgence of luxury in diet and drink and extravagance in dress and mode of li...

sunset laws

(Encyclopedia)sunset laws, statutes that deal with the tendency of government agencies and programs to be self-perpetuating by providing for their periodic review. ...

sunshine laws

(Encyclopedia)sunshine laws: see Freedom of Information Act. ...

Penal Laws

(Encyclopedia)Penal Laws, in English and Irish history, term generally applied to the body of discriminatory and oppressive legislation directed chiefly against Roman Catholics but also against Protestant nonconfor...

stroboscope

(Encyclopedia)stroboscope strŏbˈəskōp [key], optical instrument for making a moving object appear to be slowed down or stationary. This effect is created by interrupting the observer's view so that the object i...

speed

(Encyclopedia)speed, change in distance with respect to time. Speed is a scalar rather than a vector quantity; i.e., the speed of a body tells one how fast the body is moving but not the direction of the motion. If...

aberration of starlight

(Encyclopedia)aberration of starlight, displacement of the apparent path of light from a star, resulting in a displacement of the apparent position of the star from its true position; discovered by the English astr...

Brahe, Tycho

(Encyclopedia)Brahe, Tycho tīˈkō brä [key], 1546–1601, Danish astronomer. The most prominent astronomer of the late 16th cent., he paved the way for future discoveries by improving instruments and by his prec...

Baruch, book of the Septuagint and of the Apocrypha

(Encyclopedia)Baruch, early Jewish book included in the Septuagint, but not included in the Hebrew Bible and placed in the Apocrypha in the Authorized Version. It is named for a Jewish prince Baruch (fl. 600 b.c.),...

work

(Encyclopedia)work, in physics and mechanics, transfer of energy by a force acting to displace a body. Work is equal to the product of the force and the distance through which it produces movement. Although both fo...