What a Difference 20 Years Make! Devices 20 Years Ago vs Devices Now

Calculator

First mechanical calculator is designed by French philosopher Blaise Pascal in 1642 to ease his father’s work who is a tax collector. His design is used by everyone till 1799.

Hair Dryer

First hair dryer is designed by French hair dresser Alexandre F. Godefroy in 1890.

Vacuum Cleaner

"Birum" which is the first vacuum cleaner that sucks the dust is designed by Robert Bimm in 1906 in France. It was working manually with the help of a pump.

Copy Machine

First copy machine invented by American George C. Beidler in 1903. Its working principle was based on taking the picture of the document.

Remote Controller

In 1898, Nikola Tesla created one of the world's first wireless remote controls and patented it as “Method of and apparatus for controlling mechanism of moving vessels or vehicles”. In 1903,  Leonardo Torres Quevedo presented his invention “Telekino” in Paris Science Academy. Telekino was a robot that performs tasks through electromagnetic waves. Telekino is accepted as the prototype of remote controller.

Speakers

In 1920s it was possible to record and play sound waves. As a result of this progress first speakers are developed by Chester W. Rice and Edward W. Kellogg in 1924-1925. The invention didn’t change a lot through the years.

TV

TV is invented by John Logie Baird in Hastings, England.

Gramophone

It is not widely used nowadays but there are still loyal fans of gramophone. First patent taken by German scientist Emilie Berliner in 29 September 1887.

Computer

Even the invention of computer bases on Blaise Pascal’s calculator, computer in real terms is invented by Kondrad Zuse in 1941 in Berlin and it’s called Z1. Later on Z3 (also his invention, upgraded Z1) was the world's first working programmable, fully automatic digital computer.

Phone

Radiophone is the first device that works as a voice transmitter invented by  Alexander Graham Bell and Charles Sumner Tainter.

Mobile Phone

First inventor of mobile phone is American Martin Cooper who was an engineer in Motorola. He designed the first mobile phone in 1973 which is 1kg and needs to be charged for 10 hours and lasts for only 30 minutes. (And you are still complaining about your battery not lasting enough?)

Internet

J.C.R. Licklider from MIT is an internet pioneer because of his early vision of a worldwide computer network even before it was built. The first recorded description of the social interactions that could be enabled through networking was a series of memos written by Licklider in 1962. At the end of the year he joined DARPA.

Later on packet switching theory is developed by Leonard Kleinrock. In 1965 Lawrence Roberts and Thomas Merrill connected computers and built the first computer network. They all become pioneers of internet with many people that are not mentioned here.

The first message sent through ARPANET, from Prof. Leonard Kleinrock’s office in UCLA to Standford University that has internet connection.

Wrist Watch

First wrist watch ever is designed for Alberto Santos who was a French pilot. His biggest passion was flying, but using pocket watch was a big trouble while flying. He told about his problem to his friend Cartier and in 1904 Cartier worked with watch maker Edmond Jaeger to design to first wrist watch.

Fridge

First fridge is designed in Chicago in 191for home-use. “Domelre” brand fridge was working with electricity and had a wooden body. Cooler of the fridge was on the upper part and occupying almost the half of the fridge.

Washing Machine

Washing machine is invented by Alva John Fisher in 1908.

Dishwasher

The patent for dishwasher is taken by Joel Houghton in 1880. It was a hand-powered wood device and it changed a lot through time.

First Petrol Powered Automobile

Benz known as the first inventor of petrol powered cars. His contemporaries Gottlieb Daimler and Wilhelm Maybach were working on the same project but Benz stood out with his technology and speed. He took patents of the all the processes and the patent of the first motor in 1879.

Laser

In 1917 Albert Einstein discovered stimulated emission and in 1960 Theodore Maiman operated first functioning laser on optical frequency.

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