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Tue 17 Dec 2013
FIBER OPTICS
By
Alex George
Today fiber optics is used in a variety of applications from the medical environment to the broadcasting industry.
It is used to transmit voice, television, images and data signals through small flexible threads of glass or plastic.
These fiber optic cables far exceed the information capacity of coaxial cable or twisted wire pairs.
They are also smaller and lighter in weight than conventional copper systems and are immune to electromagnetic interference and crosswalk.
Fiber Optics has found its greatest application in the telephone industry [4]. Fiber Optics is also used to link computers in Local Area Network (LAN).
It is quite apparent that fiber optics is, at the moment, an invaluable resource but the technology does have its limitations.
For one thing, there is no standardization of fiber optics components which makes interchangeability difficult.
Tue 17 Dec 2013
White Board
By
Alex George
The day-to-day work in my class happens in at tables in an “individually together” manner that I described in the post. Quick summary of “individually together”: Students work at tables on problems in their packets. They mostly work on their own, take a moment to consult and debate with the group, then move forward with their own thinking. It involves a lot of individual thinking and working which is periodically supercharged with moments of group debate. It isn’t quite group work, but it is collaborative, and it is (in my experience and observation) better then staying mainly at just one end of the individual-together spectrum.