(Encyclopedia) Donner Party, group of emigrants to California who in the winter of 1846–47 met with one of the most famous tragedies in Western history. The California-bound families were mostly from…
(Encyclopedia) hardening, in metallurgy, treatment of metals to increase their resistance to penetration. A metal is harder when it has small grains, which result when the metal is cooled rapidly.…
(Encyclopedia) Petraeus, David HowellPetraeus, David Howellpĕtrāˈəs [key], 1952–, American military officer and government official, b. Cornwall, N.Y., studied West Point (B.S., 1974), U.S. Army…
Perspective is a way of showing space in three dimensions. By using perspective, a flat picture can seem to show depth and distance, just as your eye would see it.Cape Cod Evening by Edward Hopper…
What is this job like? What is this job like? Back to Top How can farms use less labor? Control pests and weeds? Conserve soil and water? Do all of the above, yet still grow more food?…
Friends, Romans, countrymen, lend me your ears Tragedies • Histories • Comedies William Shakespeare Related Links William ShakespeareQuiz: Famous Quotes from…
As humans, we get by with five senses: touch, taste, sight, smell, and hearing. They work well for us, but other animals have developed many other strange and wonderful ways to find their way…
Graphing with Slope-Intercept Form
Algebra
Cooking Up Linear Equations Point-Slope Form Slope-Intercept Form Graphing with Slope-Intercept Form Standard Form of a Line Tricky Linear Equations…
(Encyclopedia) Newlands, Francis Griffith, 1848–1917, American legislator, b. Natchez, Miss. After practicing law in San Francisco from 1870, he moved (1888) to Nevada. He became well known for his…
(Encyclopedia) Lippman, Gabriel Jonas, 1845–1921, French physicist, Ph.D. Sorbonne, 1875. He was a professor at the Sorbonne from 1883 until his death in 1921. Lippman received the 1908 Nobel Prize…
