Save links and access them from any computer anywhere. Discover links posted by other educators. Share links with students, co-workers, friends, family. ~~ Barbara J. Feldman
In 1752, with his famous storm-flying kite, Ben Franklin discovered lightning was electricity. In 1879, Thomas Edison perfected the electric light bulb. In the twenty-first century, we take our electricity for granted until we don't have any. A few weeks
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