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| | How Things Work | 
| Title: | How Things Work | | URL: | http://howthingswork.virginia.edu/ | | Description: | Brief guides to the workings of an assortment of different technologies and natural phenomena, such as fuel cells, lasers, x-rays, radar, speedometers, barometers, loudspeakers, spacesuits and volcanoes. | | Page Rank: | 7 | | Social BookMarks: |  | | | | | | |
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