The plow has been around since prehistoric time, making it easier for humans to grow food to survive. Farmers learned to trace their harvest for goods and services.
The wheel, an ancient discovery, enabled transportation and other inventions that require wheels, pears, cogs, cranks and pulleys used in engines, mills, power plants and more.
#8 Printing Press
Johann Gutenberg is credited with the invention of the printing press in the 1430's, revolutionizing the way information was recorded and shared around the world.
Since the 1800's, refrigeration has changed the way we eat by keeping foods fresh. Home refrigerators became commonplace in the 1920's.
In roughly 120 years, advancements in communications (telegraph, telephone, radio and TV), sped the spread of news from taking weeks to learning as it happens. Now go call your mother! :)
#5 Steam Engine
Advances in steam engines to generate power for factories to mass-produce goods and also for trains and steamships to transport products around the world.
Automobiles put people on the move! Karl Benz created the Motorwagen in 1865, then Henry Ford enhanced the production process to make cars available to most people.
#3 Light Bulb
Thanks to Thomas Edison, we can turn the lights on! In addition his invention lit the path to an infrastructure that lets us plug in and turn on a myriad of devices.
Without computers, so many of the things we use every day would be able to work the way they do; cars, power plants, phones and more.
The newest and most far-reaching invention on the list, the internet gives us access to information around the works at any time. Who knows where it will take us next?