The Thrust Of An Airplane
18 Feb 2008Thrust is the force which moves an aircraft through the air. Thrust is used to overcome the drag of an airplane, and to overcome the weight of a rocket. Thrust is generated by the engines of the air...
ERNEST SENAYA
ERNEST SENAYA:
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."...
- 383
speeches
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...
- 408
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...
- 331
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 "...
- 355
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...
- 383
Load More
