a prolific journalist and author, has painstakingly documented every death in the Grand Canyon up until 2012. This includes airplane and helicopter crashes, which were historically the park’s largest cause of death. In one crash in 1956, two passenger planes crashed into each other above the ca...
Many larger prop-driven aircraft boast propellers with adjustable pitch mechanisms. These mechanisms let the pilot adjust the propeller's angle of attack depending on air speed and altitude. There are, of course, variations. For example, in turbo prop planes, a gas turbine spins the propeller, ...
Wind tunnels are used by engineers to test the aerodynamics of many objects, from jet wings to car windshields. Aerodynamics as a science studies the flow of air or gases around an object in motion. With a better understanding of the way air moves around (or through) objects, manufacturers...
It appears that when Prof. Whitney was in Owens Valley himself in 1872 for the purpose at studying the effects of the great earthquake of March 26th of that year, he became unpopular with a good many people in the Valley, some of whom took a very strong personal dislike for him. When,...
Actually, the word and concept aren't new. Neal Stephenson made up the term in his 1991 science-fiction book Snow Crash,in which people use avatars(分身)to explore an online world. A number of small metaverses have since developed, where people can do many real life things—like working ...
After being embarrassed by the rest of the family at a company picnic, Homer becomes obsessed with improving their behavior towards each other. Bart the General (1990) After being beaten up by Nelson Muntz one too many times, Bart turns to Grampa for help, and soon leads a rebellion again...
Crazy as it is to think about now, many people believed Nintendo‘s attempt at bringing a home gaming console to the masses would be a failure. Much of the apprehension stemmed from the 1983 video game crash, where low-quality products and an oversaturated market put many gaming companies ou...
Crazy as it is to think about now, many people believed Nintendo‘s attempt at bringing a home gaming console to the masses would be a failure. Much of the apprehension stemmed from the 1983 video game crash, where low-quality products and an oversaturated market put many gaming companies ou...
Chris recording a secret song and North Carolina, and this episode from the Delta lounge at LAX, trying to make your life less hectic while your band gets bigger, spicy pickle juice, don't think about food very much, their attractive new outfits and look, how many big rigs it takes to...
Fear of flying can be caused by a number of factors, including claustrophobia or a fear of heights. Many nervous flyers feel irrational anxiety that their plane will malfunction and crash, no matter how many times they hear the statistics abouthow safe flying iscompared to driving. Other travel...