(Encyclopedia) cobalt, metallic chemical element; symbol Co; at. no. 27; at. wt. 58.9332; m.p. 1,495℃; b.p. about 2,870℃; sp. gr. 8.9 at 20℃; valence +2 or +3. Cobalt is a silver-white, lustrous,…
(Encyclopedia) rainbow, arc showing the colors of the spectrum, violet inside and red outside, which appears when the sun shines through water droplets. It often appears while the sun is shining…
(Encyclopedia) EskimoEskimoĕsˈkəmō [key], a general term used to refer to a number of groups inhabiting the coastline from the Bering Sea to Greenland and the Chukchi Peninsula in NE Siberia. A…
(Encyclopedia) science fiction, literary genre in which a background of science or pseudoscience is an integral part of the story. Although science fiction is a form of fantastic literature, many of…
(Encyclopedia) shark, member of a group of almost exclusively marine and predaceous fishes. There are about 250 species of sharks, ranging from the 2-ft (60-cm) pygmy shark to 50-ft (15-m) giants.…
Poland's "Stella the Fella" and other amazing trivia by Mike Morrison Related Links 2006 Winter Olympics All-Time Leading USA Medal WinnersMemorable Olympic Moments 1. American Myer…
WHAT IS THE UNIVERSE MADE OF? HOW BIG IS THE UNIVERSE? BIG BANGDARK MATTERFIND OUT MOREThe Universe is everything that exists—space and all the stars, planets, and other matter it contains.…
WHAT DO PHYSICISTS STUDY? WHAT ARE PHYSICAL PROPERTIES? HOW DO PHYSICISTS WORK? BIOGRAPHY: SIR ISAAC NEWTON English, 1642–1727 EQUATIONS APPLIED PHYSICS FIND OUT MORE
Physics is the…
