Tareck Dalco

Adam Radwan

Carl McCloskey

The Dirty Dozen

The cotton gin

  • The cotton gin is a machine used to pull cotton fibers from the cotton seeds.
  • The cotton gin was invented in 1793.
  • It was invented by Eli Whitney.
  • It was invented to speed up the process of extracting cotton from the seeds, it took several hours for a worker to pick out the seeds from a pound of cotton.
  • Institutionalized the cotton industry-and slavery-in the american south.
  • The the cotton gin caused a huge improvement in the production of cotton in the United States.

Text URL : http://ehistory.osu.edu/world/articles/ArticleView.cfm?AID=31

Photo URL : http://upload.wikimedia.org/wikipedia/commons/5/54/Cotton_gin_EWM_2007.jpg

Interchangeable parts

  • Interchangeable parts were invented in mid 1800s
  • Interchangeable parts were invented by Honore LeBlanc
  • Eli Whitney used them to assemble muskets in the first years of the 19th century.
  • Interchangeable parts allowed unskilled workers to produce large numbers of weapons and materials quickly and at lower costs, and made repair and replacement of parts easier.

Text URL : inventors.about.com/cs/inventorsalphabet/a/machine_2.htm

Photo URL : http://eurotxco.com/attachments/Image/TXconcordpistonCRT.jpg

Steam locomotive

  • The first steam engine was invented in 1606
  • It was invented by Jeronimo de Ayanz
  • First steam locomotive was invented in 1825
  • It was invented by George Stephenson
  • It was invented to transport passengers and for moving freight and other materials.

Text URL : http://www.theatlantic.com/technology/archive/2012/02/on-this-day-the-steam-locomotive-gets-going/253357/


Photo URL : http://jeffreylantarticles.com/wp-content/uploads/2011/10/Steamlocomotive.jpg

The assembly line

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  • Was created in 1913.
  • Was invented by Ford motor company owner Henry Ford
  • It was invented to speed up the process of manufacturing, and it allowed industry to become less expensive and more efficient.
  • It has provided jobs for unskilled workers, and improved working conditions

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The transistor

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It was invented by 3 people : William Shockley, John Bardeen and Walter Brattain.

It was invented December 16, 1947. Transistors are devices that control the movement of electrons. it helps us today because most of the items we use need to have transistor fro them to work

Text URL : http://inventors.about.com/od/tstartinventions/a/transistor_history.htm

Photo URL : http://d1gsvnjtkwr6dd.cloudfront.net/large/SC-PNP-2N2907_LRG.jpg


The microchip was invented by 2 people Jack Kilby and Robert Noyce. It was invented March 24, 1959. The microchip is really called a Integrated circuit. Everything that is an electronic uses a microchip

Text URL : http://inventors.about.com/od/computersandinternet/a/microchip.htm

Photo URL : http://dalje.com/slike/slike_3/r1/g2008/m12/y190234462534960.jpg


The telegraph was made by Samuel Morse in the 1830s and 1840s.

As for the telephone, it was made by Alexander Graham Bell and Elisha Gray in the 1870s.

Before the telegraph and the telephone and other messaging methods, message transportation was so much more complicated.

Text URL : http://www.history.com/topics/inventions/telegraph

Photo URL : http://bethgeduld.files.wordpress.com/2010/05/telephone-lg.jpg



Many people worked alone trying to invent the television but the first one to make it was Philo farnsworth on September 7, 1927. When the television was made it was in black and white, and small screen but the whole television was big. Today we still use them but now color and thinner also bigger screens. The prices went down as they in prove.

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The first automobile was created in 1769.

It was a steam powered road vehicle.

It was created by Nicolas- Joseph Cugnot.

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Cell phone/smart phone

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The first cell phone invented was the Analog Motorola DynaTAC 8000X

It was invented in 1973

It was invented by a Motorola employee named Martin Cooper

Over time, phones produced began to get smaller and more efficient and advanced.

Text URL : http://www.theatlantic.com/technology/archive/2013/04/the-first-mobile-phone-call-was-made-40-years-ago-today/274611/

photo URL : http://plpnetwork.com/wp-content/uploads/2012/11/bigstock-Touchscreen-smartphone.jpg


The internet

The internet was invented in 1991

It was created by a man named Tim Berners Lee

The internet connects people together and is a vital organ of societies in our day

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Personal Computer

The Linc was built in the early 1960’s some experts say it was the first PC. Wesley A.Clark of M.I.T. started working on it in May 1961.

Personal Computers were and still are a vital devices for communication, researching,playing games , etc---

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