(Encyclopedia)
CE5
Sextant
sextant, instrument for measuring the altitude of the sun or another celestial body; such measurements can then be used to determine the observer's geographical…
WHAT AFFECTS AN AREA’S CLIMATE? WHY DO TROPICAL REGIONS HAVE HOT CLIMATES? WHAT IS A CONTINENTAL CLIMATE? FIND OUT MORE
Every part of the world has its own climate—a characteristic…
PINHOLE CAMERAFILM CAMERAMILESTONES OF PHOTOGRAPHYPHOTOGRAPHIC FILMDIGITAL PHOTOGRAPHYFIND OUT MOREA camera is a device that records pictures. It consists of a sealed box that catches the light…
WHEN DID PEOPLE FIRST STUDY THE SKY? WHAT DO ASTRONOMERS STUDY TODAY? TELESCOPESFIND OUT MOREAstronomy is the science that studies the stars and all the other bodies (objects) in space. The…
Does Microwave Radiation Affect Seed Growth?Science Projects for BeginnersBotany ProjectsDoes Microwave Radiation Affect Seed Growth?Which Bulbs Are Best for Forcing? Scientific Surprise A…
The ringleader of the murders, Edgar Ray Killen, was convicted on June 21, 2005, the 41st anniversary of the crimes
by Borgna Brunner
Related Links Black History Month Encyclopedia: Civil…
(Encyclopedia) Kendrew, John Cowdery, 1917–97, British biochemist, grad. Cambridge (Ph.D. 1949). He was a fellow of Peterhouse College at Cambridge from 1947 to 1975 and was scientific adviser to the…
rock group Rock group remembered for its dark, poetic lyrics, psychedelic guitars, and the drug-induced antics of singer Jim Morrison. Morrison met keyboardist Ray Manzarek at UCLA in the mid-…
Global Warming Many scientists believe human-caused pollution is making the world a warmer place, a process called global warming. Scientists also think…
