Some Metals That Don't Rust
16 Feb 2008"Rusting" is a word which is reserved for iron oxidizing, but the other metals will also form oxides. There are many different kinds of steels, some which rust more easily than others. Stainless stee...
ERNEST SENAYA
ERNEST SENAYA:
speeches
Gasoline: The Newest Biofuel?
16 Feb 2008What if we could speed up the process of making petroleum for use in our automobiles? Even better: what if we could just produce all of the hydrocarbons we need when we need them? Would we then have "...
speeches
Water Filtration And Purification
16 Feb 2008Most filters today are charcoal, or activated charcoal. Charcoal, which is mostly carbon, is the residue of partial burning or destructive distillation of organic material. When special heating or che...
speeches
How The Computer Processors Works
16 Feb 2008The function of a CPU is similar to that of a calculator, only much more complex and powerful. The CPU performs arithmetic and logical operations on data obtained from the memory or different input de...
speeches
Wheel And Axle
16 Feb 2008A wheel and axle is a lever that rotates in a circle around a center point or fulcrum. The larger wheel (or outside) rotates around the smaller wheel (axle). Bicycle wheels, ferris wheels and gears ar...
health
Cholera Prevention
15 Feb 2008In January 1991, epidemic cholera appeared in South America and quickly spread to several countries. A few cases have occurred in the United States among persons who traveled to South America or ate c...
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