Great inventions around the world

National Inventors’ Day, February 11th, honors inventors of the past, the creators of the present, and encourages the architects of the future.

Some inventions that made our everyday life better are:

Computers are complex machines and most high-paid jobs ask you to know how to use a computer,its hardware,software,or programs.
Difference Engine,was the first computer, designed and built during the 1820s and ’30s by Charles Babbage, an English mathematician and inventor.

a computer then

a computer now

 

The compass is a navigation device has a significant power in human exploration.It is worth noting that the first compasses were created from magnetite in China in 300 to 200 BC, during China’s Han Dynasty.

a compass in 300 B.C.

a compass now

The elevator helps people to go up and down fast without taking a single step. In 1853, Elisha Graves Otis introduced the first safety passenger elevator at the Crystal Palace Convention in New York City.

an elevator in 1853

an elevator now