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  • 1. Sliced Bread Rozenbaum
  • 2. Motivations/Interests
    • No crumbling or squashing
    • Makes daily life easier
    • Perfect slices
  • 3. How Was it Developed?
    • Otto Rohwedder – Prototype in Iowa (1917)
    • Chilicothe Baking Company - 1928 (MO)
    • Wonder Bread – mass commercial production
  • 4. The Process
    • 4 Steps on How To:
      • Open not tear wrapping
      • Removing pins
      • Close to preserve freshness
  • 5. Scientific Principles
    • Using a conveyor - machinery or gravity
    • Razor sharp blades
    • Makes bread precut and easy to use
  • 6. Using Gravity
  • 7. The IMPACT
    • A staple in the household
    • A breakthrough in baking
    • “ The best thing since sliced bread”
  • 8. Citations
    • On hundred great things in a century when consumer became king, product innovation reached unprecedented heights. (1998, December 7).  Time , 152(23), Retrieved from http://galenet.galegroup.com/servlet/HistRC/hits?r=d&origSearch=false&sortOrder=RE&o=&bucket=iac&tab=2&n=10&l=dJ&hdb=US&items=0&c=2&tabMap=66&docNum=A53368019&locID=stil34938&secondary=true&t=RK&s=1&SU=sliced+bread
    • baking . (2010). In  Encyclopædia Britannica.  Retrieved February 14, 2010, from Encyclopædia Britannica Online:  http://search.eb.com/eb/article-50228
    • Temple, W. (2008, July 5).  Australian news . Retrieved from http://www.news.com.au/sliced-bread-a-world-first/story-0-1111116833769
    • Pictures
      • Löhner, F. (2006).  Calculating the force and kinetic coefficient of friction . Retrieved from http://www.cheops-pyramide.ch/khufu-pyramid/force-friction.html
      • Bread rises, free falls [Web log message]. (2009, August 10). Retrieved from http://pantspantsnopants.files.wordpress.com/2009/08/825101sliced-loaf-of-bread-posters.jpg