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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | Jul 2017 |
| Last Sign in: | 339 Weeks Ago, 1 Day Ago |
| Questions Answered: | 15833 |
| Tutorials Posted: | 15827 |
MBA,PHD, Juris Doctor
Strayer,Devery,Harvard University
Mar-1995 - Mar-2002
Manager Planning
WalMart
Mar-2001 - Feb-2009
A. How It's Made: Compact Discs
1. What metal is typically used to create the reflective surface of a CD?
2. After the reflective surface of a CD is applied, what is the name of the material that is next applied to provide a protective covering?
3. What kind of plastic is used to make CD’s?
4. Briefly describe how information is placed onto a manufactured compact disc.
D. How It's Made Fiber Optics
1. What is the name of the material that fiber optic cables are typically made from?
2. Which are currently more expensive fiber optic cables or copper cables?
3. Which are more susceptible to electromagnetic interference fiber optic cables or copper cables?
4. Briefly describe the process used to create fiber optic cables.
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