Credit: 1 PDH Webinar
Webinar: 62 minutes
Webinar Price: $30.00
The Plain Old Telephone Service 29:44 minutes
Begin the first of four lectures on telecommunications technology by tracking the landline telephone system, known in the trade as “plain old telephone service.” Follow the pair of copper wires from your landline phone to the multi-pair cables strung from power poles to the all-important local exchange and beyond.
Simple Machines Around the House 33:14 minutes
Nothing embodies everyday engineering like simple machines the basic mechanical devices used for thousands of years that we rely on more than we may realize. Probe the wonders of the inclined plane, screw, wedge, lever, wheel-and-axle, and pulley, and ponder their myriad applications.
By the end of this course the student will be able to describe “plain old telephone service”, recognize basic mechanical devices used for thousands of years that we rely on more than we may realize, and asses the inclined plane, screw, wedge, lever, wheel-and-axle, and pulley.