(Encyclopedia) RuthvenRuthvenrĭvˈən, r&oomacr;thˈvən [key], Scottish noble family, believed to trace its ancestry to Thor, a Saxon or Dane, who settled in Scotland in the reign of David I. The…
(Encyclopedia) Etruscan artEtruscan artĭtrŭsˈkən [key], the art of the inhabitants of ancient Etruria, which, by the 8th cent. b.c., incorporated the area in Italy from Salerno to the Tiber River (…
(Encyclopedia) solar wind, stream of ionized hydrogen—protons and electrons—with an 8% component of helium ions and trace amounts of heavier ions that radiates outward from the sun at high speeds.…
(Encyclopedia) Bierce, Ambrose GwinettBierce, Ambrose Gwinettămˈbrōz gwĭnĕtˈ bĭrs [key], 1842–1914?, American satirist, journalist, and short-story writer, b. Meigs co., Ohio. He fought with extreme…
WorldIsrael Intensifies Ground Offensive in Lebanon (Aug. 1): More than 7,000 additional troops enter southern Lebanon. U.S. General Gives Grim Report on Iraq (Aug. 3): Gen. John Abizaid, the…
A day to celebrate all things round by Catherine McNiff 3.1415926535897932. . . Approximated as 3.14, the Greek letter for pi is an irrational (cannot be written as a simple…
WHERE DOES SPACE BEGIN? WHERE IS EARTH IN SPACE? HOW MUCH SPACE IS THERE? WHAT IS A LIGHT-YEAR? WHAT CAN WE SEE WHEN WE LOOK INTO SPACE? JOURNEY INTO SPACE FIND OUT MORE
When you…
AURORASLAYERS OF THE ATMOSPHEREOZONE LAYERFIND OUT MOREPRESSURE SYSTEMSThe Earth would be as lifeless as the Moon without the atmosphere – a blanket of gases surrounding the planet and…
SULPHUR CRYSTALSMAKING SULPHURIC ACIDTRANSPORTING SULPHURIC ACIDSEMI-METALSHALOGENNOBLE GASESFIND OUT MOREThe metal elements in the periodic table have easily defined properties. The remaining…
Forces, Particles, and Some Cosmological GlueTheories of the UniverseForces, Particles, and Some Cosmological GlueSize in the MicrocosmThe Forces You Already KnowThe Particle ZooThe Last Train to…
