Introduction to Engineering and Technology Mr Swan Technology




















- Slides: 20

Introduction to Engineering and Technology Mr. Swan

Technology – The knowledge and process of using the laws of nature to solve problems by designing and making products or structures.

Engineer – Someone who applies scientific and design principles to create practical solutions for problems.

Wheel Origins Unknown 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 2 nd Millennium BC Early nails were forged By the 1900’s, nails were being massproduced

Paper Originated in the 2 nd 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 12 th 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 he combined them into a single product.

Electricity Electrical power was invented in the late 19 th 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 19 th century The first cameras took several days exposure, 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 more 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

Trade Offs A trade off is a situation that involves losing one quality or aspect of something in return for gaining another quality or aspect. Technology often involves trade offs. Examples include automobile accidents, the exploitation of workers, deforestation…the list goes on and on

Closing When I was in middle school, the following technology did not even exist: • • • The Internet Cell Phones Laptops Color Monitors Email

The following slides include some technology from when I was much younger. Can you identify any of them? Ask your Dad or Mom if they can identify any.



