Friday, January 13, 2012

Rhymes of History


As stated by Dr. Thornburg (2009) “Rhyme of History is another force that has an impact on the emergence of technology”.  One technology that represents a rhyme of history is the opaque projector.  The opaque projector is the technology that is retrieved from the past.  The opaque projector was used as a means for projecting words and text from paper sources such as books and drawings.  This piece of technology was able to achieve projection of text through its light and the mirrors and lenses. The light would reflect light off the image and travel into the lens.  Next, the document was focused through mirrors and projected through another lens which then projected the image to the designated area.  One drawback to the opaque projector was its limited capacity to only project in gray scale and the potential fire hazard if documents were kept on the stage too long.
As technology continues to evolve, Opaque projectors are not widely used due the invention of overhead projectors.  The overhead projector, invented by Roger Appledorn, was one of the most used technology tools during the 80’s and 90’s . 

David S.(n.d.).  How does an opaque projector work? Retrieved from http://www.ehow.com/how-does_5007648_opaque-projector-work.html

Overhead Projector. (n.d.). xtimeline (2008-2009). Retrieved from http://www.xtimeline.com/evt/view.aspx?id=334773
Opaque Projector



3 comments:

  1. Response to Simmons
    LaTonys

    "The affect of a new development rekindles something from the distant past. What does this NEW thing do that rekindles something from the distant past” (Thorburg 2009).
    Bradley

    ReplyDelete
  2. LaTonya,

    Very good example of technology, but how does this technology relate to history?

    ReplyDelete
  3. LaTonya,

    What technology does the opaque projector rekindle? What technology does it remind us of? In other words, what did it replace?

    -Christine

    ReplyDelete