Search

Search results

Displaying 171 - 180

Huffington, Arianna Stassinopoulos

(Encyclopedia) Huffington, Arianna Stassinopoulos, 1950- , Greek-American journalist and web entrepreneur, b. Athens, Greece, as Ariadne-Anna…

electric and magnetic units

(Encyclopedia) electric and magnetic units, units used to express the magnitudes of various quantities in electricity and magnetism. Three systems of such units, all based on the metric system, are…

Yucca Mountain

(Encyclopedia) Yucca Mountain, mountain in the SW Nevada desert about 100 mi (161 km) northwest of Las Vegas. It is the proposed site of a Dept. of Energy (DOE) repository for up to 77,000 metric…

Surveyor

What is this job like? Do you know where your backyard ends and your neighbor's yard begins? Have you ever wondered how maps are created? These are questions for a surveyor. Surveyors measure and…

Air Pressure and Humidity

Air pressure is the weight of the atmosphere pressing down on the earth. It is measured by a barometer in units called millibars. Most barometers use mercury in a glass column, like a thermometer,…

DK Science: Work

EFFICIENCYPOWERJOULESFIND OUT MOREScientists use the word work to describe the energy needed to do a task, by making a force move through a distance. The amount of work done is equal to the…

Weather: Placing the Instruments

Placing the InstrumentsWeatherMeasuring the AtmosphereThe Take on TemperatureIs the Pressure Getting to You?The Wind in the WillowsIt's Not the Heat, It's the HumidityMeasuring the RainPlacing the…

State Department Notes on Zambia

U.S. Department of State Background Note Index: People History Government Political Conditions Economy Defense Foreign Relations U.S.-Zambian Relations PEOPLEZambia's population comprises more…