do some research and identify a disruptive technology from each of the 19th and 20th centuries.

Sure, here are examples of disruptive technologies from the 19th and 20th centuries:

19th Century: The Steam Engine The steam engine was a disruptive technology of the 19th century that revolutionized transportation and industry. Invented by James Watt, it was used in various applications including factories, mines, and locomotives. It greatly increased efficiency and productivity, leading to the Industrial Revolution.

1. Invention: The steam engine was invented by James Watt in 1769.
2. Application: It was used in factories to power machines, in mines to pump out water and bring up coal, and in locomotives for transportation.
3. Impact: The steam engine greatly increased efficiency and productivity, leading to the Industrial Revolution. It changed the way goods were produced and transported, leading to significant economic and societal changes.

20th Century: The Internet The Internet is a disruptive technology from the 20th century that has transformed almost every aspect of modern life. It has changed the way we communicate, access information, work, and entertain ourselves.

1. Invention: The Internet was developed in the late 1960s and early 1970s by the U.S. Department of Defense as a way to share information among computers.
2. Application: Today, the Internet is used for a wide range of activities including communication (email, social media), information access (search engines, online databases), work (remote work, online collaboration tools), and entertainment (streaming services, online games).
3. Impact: The Internet has transformed almost every aspect of modern life. It has changed the way we communicate, access information, work, and entertain ourselves. It has also led to the creation of new industries and has disrupted traditional ones.