Since the 1800's, many innovations such as the electric battery, light bulbs, television, computers, and credit cards have all been invented (Text 4). This means in just over 200 years, these inventions have been created and are still being used today in the world. The Modern Revolution has helped in the development of inventions from steam locomotives and postage stamps to robots and the internet. For example, machines like the electric telegraph made it easier to send messages and allowed responses to be sent back faster. Other more luxury inventions like the credit card helps an individual to buy items without having actual money on hand. Without the Modern Revolution taking place, many innovations that helped advance and revolutionize the world would have not been created. During this time, vaccines were being developed that would help people fight off diseases and other viruses. Before these vaccines had been invented, many people died from sicknesses because their immune systems were not used to the germs in them. The National Centers of Disease Control in the United States said "Vaccines produce immunity to a disease by
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