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science in the 20th century
Most would consider the greatest inventions of the 20th century to be the automobile, the personal computer, and plastic.
Several inventions of the 19th century come to mind regarding inventions made prior to the 20th century that were in use in that time period. One was the telephone by Alexander Graham Bell. Others included:* camera;* phonograph;* electric light bulb; and* motion picture projector.
Three significant inventions from the 20th century include the television, which revolutionized entertainment and information dissemination; the computer, which transformed work, communication, and daily life; and the internet, which has connected the world and changed how we access and share information. Each of these inventions has had a profound impact on society and continues to shape our lives today.
The assembly line, the automobile, man-made satellites, the Hubble telescope, manned space shuttles, nuclear weapons, radio, television, computers, the internet, football - these are all examples of great 20th century inventions.
There were many inventions made during the end of the 19th and beginning of the 20th century. These included the telephone and the light bulb.
To accurately answer your question, I would need to know the specific inventions you're referring to. However, common inventions from the early 20th century include the airplane, the radio, and the assembly line. If you provide a list of options, I can help identify which one was not considered an important invention from that era.
internet,radio,antibiotics,televisions,airplane,automobile,personal computers,rocketry,submarine,nuclear energy
One notable invention that was not created at the turn of the 20th century is the smartphone. While early mobile communication devices began to emerge in the 20th century, the first true smartphones were developed in the late 1990s and early 2000s. In contrast, significant inventions from the turn of the century include the airplane, the automobile, and advancements in electrical technology.
20th century
It is likely that Thomas Edison's best invention in the incandescent light bulb. It led to a massive surge in productivity in the 20th century in all industries.