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DK Science & Technology: Science

WHAT DO SCIENTISTS DO? WHAT IS SCIENTIFIC METHOD? WHY DO SCIENTISTS PERFORM EXPERIMENTS? FIND OUT MOREWhat makes the stars shine? Why is the sky blue? How did life start on Earth? Science explores…

DK Science & Technology: Separating Mixtures

HOW CAN SOLIDS BE SEPARATED? HOW DOES DISTILLATION WORK? HOW ARE GASES SEPARATED? FILTRATIONFIND OUT MOREHow do we extract salt from seawater? Methods for separating a mixture depend on differences…

Millennium Technology Prize

(Encyclopedia) Millennium Technology Prize, biennial award for innovations in technology, est. 2002 in Finland and bestowed by the Millennium Prize Foundation, an independent fund founded by members…

brake, in technology

(Encyclopedia) CE5 Shoe brake CE5 Disk brake brake, in technology, device to slow or stop the motion of a mechanism or vehicle. The vacuum brake system, or vacuum brake, depends upon the use…

quadrant, in technology

(Encyclopedia) quadrant, in technology, angle-measuring device based on a scale of 90°. It is sometimes confused with the sextant, a similar instrument based on a scale of 60°. The quadrant is rarely…

Milestones in Flight Technology

photostogo.comIMSI Master Clips1783 Hot-air balloon1783 Parachute1852 Dirigible1900 Zeppelin1903 First airplane flight1911 Hydroplane1926 Liquid-propelled rocket1939 First successful helicopter…

Computers, Technology and the Internet

Best Online Games for Kids Internet Timeline Computer Virus Timeline Fact Monster’s Guide to Doing Research on the Internet Internet Safety Guide How Do Computers Work? Computer Glossary How…

Transportation Technology & Milestones

On the Road In the Air On (and Under) the Water On the Rails Ford Mustang Timeline World's Largest Subway Systems Two Centuries of Railroading Ten Famous Trains…