Almost every machine developed since the industrial revolution utilizes a wheel.
Many people believe that the wheel had industrial purposes before being used for transportation.
Nail
Originated around the 2nd Millennium BC.
Early nails were forged, meaning someone hammered them into being.
By the 1900’s, nails were being mass-produced by machines.
Paper
Originated in the 2nd Century AD in China.
Said to be an substitute to silk in many applications.
Worldwide consumption of paper has risen 400% over the past 40 years and has contributed to deforestation.
Compass
Originated in the 12th century.
Works by way of magnetism.
Before compasses, navigation was achieved primarily through the use of landmarks and celestial bodies.
The Printing Press
Invention credited to Johannes Gutenberg in 1450.
Broke the monopoly of literacy for the rich elite
A number of medieval products and technologies were popular at the time. What made Guttenberg's press so successful is that he combined them into a single product.
Electricity
Electrical power was invented in the late 19th. century; however, the science of electricity has been around for thousands of years.
Electronics would not be possible without electricity.
Electricity is directly related to magnetism.
Photography
Invented in the early 19th century.
The first cameras took several days exposure, but this was eventually improved to just a few hours exposure.
Today, nearly 20% of the photographs end up on the Web.
In my lifetime, I have seen the rise of digital cameras. Film cameras are almost obsolete.
The Automobile
Karl Benz was the inventor of the first modern automobile.
Precursors to the modern automobile ran on steam power; however, Benz’s automobile ran on gasoline.
Production line automobile manufacturing first occurred in the US.
The Assembly Line
Attributed to Ransom Olds, owner of Oldsmobile and later perfected by Henry Ford, founder of Ford Motors.
More than any other item on the list, assembly lines have created the most sociological problems. Workers have often been taken advantage of, and injuries have been a big problem with assembly lines.
Internet
Developed in the 1960’s.
NOT TO BE CONFUSED WITH THE WORLD WIDE WEB!
61% of the world does not even use the Internet.
Developed by DARPA, a branch of the Department of Defense.
In Closing
Technologies change quickly. For example, when Mr. Swan was in middle school, the following technology did not exist: