Propulsion By Propellers
18 Feb 2008Moving a vehicle, may it be on the ground, on the water, or in the air, requires a force to overcome the friction and inertia forces and to lift the vehicle to a different elevation. A force can be cr...
ERNEST SENAYA
ERNEST SENAYA:
general-articles
How Hydroelectric Power Works
16 Feb 2008hydroelectric and coal-fired power plants produce electricity in a similar way. In both cases a power source is used to turn a propeller-like piece called a turbine, which then turns a metal shaft in ...
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general-articles
Too Much Ram Causes Problems With Some Versions Of Windows
16 Feb 2008Note that if you are upgrading your RAM memory, a computer using Windows 95 or Windows 98 (first edition) will not recognise more than 256MB. Moreover RAM that Windows cannot cache (recognise) will ...
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general-articles
Different Kind Of Wood And Their Uses
16 Feb 2008Alder - clogs - 'turned' articles - foundations for buildings in wet ground, eg. Venice - water troughs - fencing stakes Ash - golf club shaft - inexpensive 'country' furniture - as a veneer - Bent...
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business-sense
What Is The Dow Jones Industrial Average
16 Feb 2008If you watch the news, you hear all the time about the Dow Jones Industrial Average and other averages like the S&P 500 or The Russel 2000. These are "market averages" designed to tell you how c...
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speeches
Animatronics
16 Feb 2008Long before digital effects appeared, animatronics was making cinematic history. Who can forget the scare of the Great White coming out of the water in "Jaws"? Or the tender otherworldliness of "E.T."...
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