Excluding the abacus or slide rule, the first mechanical calculator was invented by French inventor, Blaise Pascal in 1642. It could add or subtract two numbers or divide and multiply by repetition, using geared wheels.Know More
In 1820, a device in a patent filed in France by Thomas de Colmar, became the first commercially viable counting machine. The design was copied by around 20 companies across Europe. In 1877, the Grant Mechanical Calculating Machine was born and in 1886, the P100 Burroughs Adding Machine arrived. It was not until 1948 that a pocket-sized calculator was invented and came in the form of the Curta calculator.
It was not until the 1960s and the advent of electronic devices that the electronic calculator came to be. ANITA (A New Inspiration To Arithmetic/Accounting) was the first all-electric desktop calculator and was released in 1961. They sold for about $1,000 when they were released that, in 2014, is nearly $8,000 after accounting for inflation. In 1965, the ELKA 22 was produced in Bulgaria and was the first calculator in the world to have a square root function. The end of bulky calculators did not happen until 1968 when Texas Instruments released the Cal Tech, the first hand-sized calculator that printed the results to paper.Learn more about Inventions
There is no real way to pinpoint who exactly invented the first ship or the concept of using a boat, but most historians agree that the Egyptians were the first culture to create and regularly use ships in long-distance trade, travel and exploration. Before the Egyptians, early man would lash logs together as a crude raft or hollow out logs for short-distance travel.Full Answer >
Although it is unknown precisely who invented the abacus, the device was developed in China around 3000 B.C. It is highly compact and easy to use and forms the basis for modern calculators and computers.Full Answer >
The first airplane was invented in 1903 by Orville and Wilbur Wright. Their historical flight at Kitty Hawk, N.C., was the first time a machine with a human passenger flew under its own power. The plane rose 10 feet in the air, flew 120 feet and landed after 12 seconds.Full Answer >
In 1825, the first public railway came into existence when George Stephenson built the Stockton Darlington railway line. In 1830, George Stephenson built the railway between Liverpool and Manchester. Earlier, on July 25, 1814, he had tested his first locomotive on the Cillingwood railway with eight wagons loaded with coal.Full Answer >