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black hole

(Encyclopedia)black hole, in astronomy, celestial object of such extremely intense gravity that it attracts everything near it and in some instances prevents everything, including light, from escaping. The term was...

lighting

(Encyclopedia)CE5 Incandescent lamp CE5 Basic fluorescent lamp lighting, light produced by artificial means to allow visibility in enclosures and at night. For stage lighting, see scene design and stage ligh...

Papua New Guinea

(Encyclopedia)Papua New Guinea păpˈo͞oə, –yo͞oə, gĭnˈē [key], officially Independent State of Papua New Guinea, independent Commonwealth nation (2015 est. pop. 6,672,000), 183,540 sq mi (475,369 sq km), ...

National Socialism

(Encyclopedia)National Socialism or Nazism, doctrines and policies of the National Socialist German Workers' party, which ruled Germany under Adolf Hitler from 1933 to 1945. In German the party name was Nationalsoz...

Russian art and architecture

(Encyclopedia)Russian art and architecture, the artistic and architectural production of the geographical area of Russia. Around the turn of the century Mir Iskusstva (World of Art Group) was initiated, a movemen...

Latin literature

(Encyclopedia)Latin literature, the literature of ancient Rome and of that written in Latin in later eras. Very little remains of the ritualistic songs and the native poetry of the Romans and Latins before the rise...

archaeology

(Encyclopedia)archaeology ärkēŏlˈəjē [key] [Gr.,=study of beginnings], a branch of anthropology that seeks to document and explain continuity and change and similarities and differences among human cultures. ...

comic strip

(Encyclopedia)comic strip, combination of cartoon with a story line, laid out in a series of pictorial panels across a page and concerning a continuous character or set of characters, whose thoughts and dialogues a...

chemistry

(Encyclopedia)chemistry, branch of science concerned with the properties, composition, and structure of substances and the changes they undergo when they combine or react under specified conditions. Organic chemi...

psychology

(Encyclopedia)psychology, science or study of the thought processes and behavior of humans and other animals in their interaction with the environment. Psychologists study processes of sense perception, thinking, l...