Pathfinders Inventions/Inventors These research suggestions and websites might help you with your research Subject headings, keywords Inventions, inventors, discoveries, technology, science Dewey Numbers 500s, 600-609,681,71.3, 613, 629.22   Reference: Britannica Encyclopedias, World Book Encyclopedias, Oxford Junior encyclopedias, Encarta, Information file  On-line databases and websites Britannica Online http://www.tki.org.nz/r/epic/      login on the left side of the page under the EPIC heading     login - darfieldhs, password: 22darfieldhs.      Scroll down to blue highlighted links - 'Britannica online school edition K-12'     or the 'Discovering Collection' (also biographies and science plus more)  Choose either Primary, Secondary or High School levels or 'search all levels' Encyclopedia type websites, which cover many topics: http://howstuffworks.com  Explains how things work and their history http://inventors.about.com/library/bl/bl12.htm An alphabetical list of inventions This site gives the history and inventors of many inventions. Type your invention in the SEARCH box Websites for specific topics: http://www.arcytech.org/java/clock/clock_history.html clocks http://inventors.about.com/library/inventors/blvideo.htm  videos http://health.howstuffworks.com/x-ray.htm  x-rays http://inventors.about.com/library/inventors/blrefrigerator.htm  refrigerators http://www.penleyradararchives.org.uk/history/introduction.htm  radar http://www.bbc.co.uk/dna/h2g2/brunel/A591545   radar http://www.wellcome.ac.uk/doc_WTX026108.html  antibiotics http://www.packagingtoday.com/introplasticexplosion.htm  plastic/polythene http://inventors.about.com/library/inventors/bllego.htm lego http://en.wikipedia.org/wiki/Tractor#History tractors http://en.wikipedia.org/wiki/Cosmetics  cosmetics http://www.rpsgb.org.uk/informationresources/museum/exhibitions/exhibition04/musex04histcosm.htm http://en.wikipedia.org/wiki/Corset corsets http://www.fashion-era.com/undergarments.htm underwear, including corsets, crinolines, bras http://www.fieldmuseum.org/Chocolate/history.html chocolate http://www.cadbury.co.uk/EN/CTB2003/about_chocolate/history_chocolate/aztecs.htm chocolate