See attached.
| classical_lesson_plan_rachel_smith_european_history_week_16.doc |
| enlightenment.ppt |
5 Comments
3/27/2011 01:31:26 pm
If you wish to succeed, you should use persistence as your good friend, experience as your reference, prudence as your brother and hope as your sentry.
3/28/2011 07:28:14 pm
At first, two iron wires connected each pair of telephones. Then switchboards brought phone wires into one location. Other inventions - the vacuum tube to amplify sound, and coaxial cables to link long distances on land and under the seas -- greatly expanded phone service. Transistors replaced the old vacuum tubes, and by the 1960s communications satellites eliminated the necessity of landlines. Today, bundles of glass fibers carry calls on laser beams of light.
3/29/2011 06:56:24 pm
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3/30/2011 11:45:05 am
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8/8/2011 04:30:37 pm
it helps me a lot!I will come back again!very great and informative post.