Online Technical Lessons

From SCEN103 Science Concepts behind High Technology  University of Delaware

- How does a photocopier work?
- How does a compact disk work?
- How do optical fibers work?
- How does a microprocessor (e.g. the Pentium) work?

- How do the barcode scanners in a grocery store work?
http://www.howstuffworks.com/upc.htm

- How does digital electronics work?
http://howstuffworks.lycos.com/category.htm?cat=Video
- What can you tell me about microwave ovens?
http://www.gallawa.com/microtech/how_work.html
http://www.physics.udel.edu/~watson/scen103/less-muwave.html

- How does my telephone work?
- How do integrated circuits work?
- How does a microcomputer work?
- How does the magnetic strip on my student ID work?
- Why don't perpetual motion machines
exist?http://www.kilty.com/pmotion.htm
http://www.phact.org/e/dennis4.html History
http://www.free-energy.co.uk/

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