Telephone- The Telegraph, invented in 1835, had rapidly spread throughout the US, thanks to Western Union. Alexander Graham Bell invented the telephone while trying to send multiple signals over a single line. The telephone allows people to have real time conversations and communicate across thousands of miles. Bell put on public demonstrations and formed the Bell System of phone companies. Cellular phone technology emerged as a result of Bell Labs, Which Led to modern telecom companies.

Carpet Sweeper- The government inflation of the money supply during the Civil War caused by the recession of 1873. Melville Bissell invented the carpet Sweeper during the Recession in 1876. It made it quiet and easy to sweep and clean carpet. Bissell used door to door sales to sell his Sweepers, and his wife took the company international. The floor Sweeper gave way to the electric vacuum cleaner, and even floor cleaning robots.

Phonograph- Experimentation with audio technology progressed through 1800s. Thomas Edison invented the phonograph in 1877 and became an overnight celebrity. It allows the recording and play back of sound and music. Bell improved the technology, and early musical artists took advantage of it to sell records. It led to the rise of the entertainment industry, the importance of radio, and the transition to digital music over the Internet.

Motion Pictures- The invention of motion pictures began with technologies like the magic lantern of 1659. Edward Muybridge invented motion pictures when photographing Stanford’s running horse on 20+ cameras. They allow us to create spectacular engrossing, entertaining films which are truly a new form of art. It was Thomas Edison who built the movie industry, and then led to the exodus that gave us Hollywood. A multi-billion dollar industry, film studios challenge our worldviews while providing blockbuster entertainment for cheap.

the most interesting invention was the telephone because it was not only used for civilians but also the military in World War 2.