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MIcroscope
The first vision aid was invented (inventor unknown) called a reading stone. It was a glass sphere that magnified when laid on top of reading materials. -
Piano
The piano first known as the pianoforte evolved from the harpsichord around 1700 to 1720 -
Electric light
Sir Humphry Davy was a famous British inventor on,November 30, 1825 he invented the first electric light. -
dynaimite
Alfred Nobel built bridges and buildings in Stockholm. His construction work inspired Nobel to research new methods of blasting rock. In 1860, the inventor first started experimenting -
barbed wire
Life in the American West was reshaped by a series of patents for a simple tool - barbed wire - that helped ranchers tame the land. beginning with Michael Kelly in November 1868 and ending with Joseph Glidden in November 1874, that shape the history of this tool. -
Telephone
In the 1870s Elisha Gray and Alexander Graham Bell entered into a famous legal battle over the invention of the telephone, which Bell won. -
Loud Speaker
In 1877, German, Ernest Siemens patented the first loudspeaker on Dec. 14, 1877. Englishmen, Sir Oliver Lodge got the second patent for a loudspeaker on April 27, 1898. This was all before music was electrified. -
Lightbulb
In 1879 Thomas Edison invented the Light bulb he was able to produce a reliable, long-lasting source of light. -
Type Writer
A typewriter by definition is a small machine, either electric or manual, with type keys that produced characters one at a time on a piece of paper inserted around a roller. Typewriters have been largely replaced by personal computers and home printers. -
metal detector
In 1881, Alexander Graham Bell invented the first metal detector. Alexander Graham Bell hurriedly invented a metal detector . Bell's metal detector was an magnetic device to locate any metal objects -
Kitchen Appliances
Kitchens have been around for centuries, however, it was not until post-civil war period that the majority of kitchen appliances were invented. The first dishwasher was made in 1850 and the first garbag disposer was made in 1927. -
Contacts
Adolph Fick first thought of making glass contact lenses in 1888, but it dident come out officialy untill 1948 when Kevin Tuohy invented the soft plastic lens. -
Video Games
William Higinbotham created the first video game ever in 1958. His game, called "Tennis for Two," -
Bar Code Scaner
Joseph Woodland and Bernard Silver on October 7, 1952. The Woodland and Silver bar code scaner was introduced to the world in 1970 now used in grocery stores and super markets malls or shopping centers to take the price of each item. -
First Laptop Computer
Designed in 1979 by a Briton William Moggridge And it was called the grid. -
Fly Swatter
In 1905, Dr. Samuel J. Crumbine, a member of the Kansas State Board of Health, set out to rid the state of a bumper crop of flies and combat
