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Science Discoveries, 1999

Information Please's roundup of recent discoveries by Otto Johnson It seems the latest discoveries in our annual roundup are either mutant size-busters or minor portents of disaster. From…

How Do Computers Work?

Computer Basics To accomplish a task using a computer, you need a combination of hardware, software, and input. Hardware consists of devices, like the computer itself, the monitor, keyboard,…

The Bread Basket of Europe

The Question: Why is Ukraine called the "bread basket of Europe?" The Answer: The rich dark soil and the vast fields of wheat and other food…

Impeached or not?

The Question: We have a running debate going on about the use of the word "impeached." By definition, impeachment is merely a formal accusation brought against a political official by a…

Hartmann, Eduard von

(Encyclopedia) Hartmann, Eduard vonHartmann, Eduard vonāˈd&oomacr;ärt fən härtˈmän [key], 1842–1906, German philosopher. His Philosophy of the Unconscious appeared in 1869 (tr., 3 vol., 1884; new…

Mülheim an der Ruhr

(Encyclopedia) Mülheim an der RuhrMülheim an der Ruhrmülˈhīm än dĕr r&oomacr;r [key] or Mülheim, city (1994 pop. 177,175), North Rhine–Westphalia, W Germany, on the Ruhr River. It is an…

mezzotint

(Encyclopedia) mezzotintmezzotintmĕtˈsətĭnt, mĕdˈzə–, mĕzˈə– [key] [Ital.,=halftint], method of copper or steel engraving in tone. A Dutch officer, Ludwig von Siegen, is given credit for the…

Niépce, Joseph Nicéphore

(Encyclopedia) Niépce, Joseph NicéphoreNiépce, Joseph Nicéphorezhôzĕfˈ nēsāfôrˈ nyĕps [key], 1765–1833, French chemist who originated a process of photography (see photography, still). In 1826 he…

thermography

(Encyclopedia) thermographythermographythûrˌmŏgˈrəfē [key], contact photocopying process that produces a direct positive image and in which infrared rays are used to expose the copy paper. In a…