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The Evolution of Computing and its Impact on History

The Evolution of Computing and its Impact on History

Author Archives: Kiri Wagstaff

What if the Difference Engine existed in the 1800’s?

24 Monday Oct 2011

Posted by Kiri Wagstaff in Alternate History, News

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The second assignment for this class focused on speculating about alternate history.

What if Charles Babbage had completed his Difference Engine in the 1830’s, and the engines were then mass-produced, spreading outward into all areas of calculation?

Students each selected a key event from the period 1830 to 1880 and discussed how it might have been altered by the availability of Difference Engine technology. These events included political, scientific, technological, and financial happenings that together provide an eclectic view of the time period:

  • Charles Darwin’s journey on the HMS Beagle (1831)
  • The Kowloon Incident and China’s Opium Wars (1839)
  • The discovery of Neptune (1846)
  • Italian revolutions from Austrian control; Austrian hot-air balloon attacks (1848)
  • The collision of the S.S. Arctic and the Vesta (1854)
  • The use of cryptography in the American Civil War (1860’s)
  • The recovery of Lee’s Special Order 191 in the American Civil War (1862)
  • Building the U.S. Transcontinental Railroad (1863-1869)
  • William Shanks’s calculation of pi to 707 digits (1873)
  • The Vienna Stock Exchange collapse (1873)

The alternate histories make for fascinating readings. Links are provided above to submissions the students have shared publicly. Read on!

Ada Lovelace Day

10 Monday Oct 2011

Posted by Kiri Wagstaff in Ada Lovelace Day, News

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Ada Lovelace Day took place on Friday, October 7. The theme this year is “heroines”:

So share your story about a woman — whether an engineer, a scientist, a technologist or mathematician — who has inspired you to become who you are today.

You can read others’ stories or even contribute your own (it’s not too late!).

From the Commodore Plus/4 to JPL

25 Sunday Sep 2011

Posted by Kiri Wagstaff in Personal History

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My first computer was a Commodore Plus/4 that my mom purchased at an auction. None of us really knew what its capabilities might be, but I was dying to play with a computer after having read so much about them in science fiction stories.

It was the summer before I entered 7th grade, and I happily buried myself in the BASIC manual that came with it, and soon was tinkering around with really simple programs, illuminated by the glow of the green and amber monitor.  Although the “Plus 4” in the computer’s name refers to the built-in programs it came with (word processor, spreadsheet, database, and graphing), I barely remember trying these out.  I wanted to control the computer myself.

Then I discovered games. My sister and I spent hours playing Bruce Lee, and then I’d spend even more hours exploring my way through Infocom’s interactive fiction. I adored the Hitchhiker’s Guide to the Galaxy and spent hours working through it while recovering from having my wisdom teeth extracted.

Computers have played a role in my life ever since. They’ve helped me get into and out trouble, meet new friends, and stay in touch with old ones. I was irresistibly drawn to Computer Science since those early experiences, and my choice of major was never in doubt. Computers led me to grad school and then to NASA’s Jet Propulsion Laboratory, where I learned about computers designed for operation in space (among other things). Without that early influence, how might my career be different? I think I would have chosen some field from science (geology or astronomy) or engineering (mechanical or civic), but it’s hard to say. I like to organize information and understand how things work, and computer science brings the best of those together in one field.

Setting the stage

19 Monday Sep 2011

Posted by Kiri Wagstaff in News

≈ 5 Comments

This course covers the origins and evolution of computing, beginning with early manual computation and going through today (when we even have computers on Mars!). It follows the series of innovations and discoveries that led to the modern computer, the Internet, the Web, and new computing devices such as tablet computers and smart phones. Along the way we will meet several luminaries of the field, including Charles Babbage, Ada Lovelace, Alan Turing, Claude Shannon, Grace Hopper, John von Neumann, and others. We will discuss the role of computers in issues such as privacy, communication, job automation, warfare, artificial intelligence, and more.  

Students registered for the class will be actively posting and discussing relevant topics here. Everyone else is also welcome to join in!

The first class meeting will be Monday, September 26. Stay tuned!

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