By: Drew Price
Without the invention of paper, civilization, as we know it, would not exist. The most important characteristics humans possess that separates us from other living beings is that we have the ability to communicate complex messages. Without a means to communicate beyond regular speech, society...
By: Charles Scott
Jet engines work by burning some sort of fuel in an oxygen rich atmosphere to produce heat forcing an increase in a differential pressure. The jet turbine works by forcing air into a combustion chamber, the air has to be compressed by a series of...
By: Marc Quaglia
As most people know, the 18th Century actually refers to the period of time from 1701 to 1800 on the Gregorian Calender. The "short" 18th Century refers to the period of time between 1715 and 1789, between the death of Louis XIV of France and...
By: Gianna Scannell
While verbal communication had to await the development of a suitable larynx(voice box), a mobile tongue and appropriate resonating cavities, (and most importantly a brain able to associate words with events), written language only took a few thousands of years. Interestingly, birds learned to use...
By: Currie Jean
The telling of time originated in watching the sun cross the sky. Morning was demonstrated self-evidently by sunrise, night by dusk, and noon by having the sun directly overhead.The Sundial (3400-3600BC):However, as more complex civilizations developed, so grew the need to organize time more...
By: Gayla Pledger
The History of Pens and Writing Instruments:Which of us doesn't have an ink pen lying in sight or within immediate reach? Most of us have jars, drawers, boxes, and trays entirely devoted to our collections of ink pens; those purchased, given as gifts, found, and...
By: John Ledbury
It is generally acknowledged that the engine as we know it, was invented by Nickolaus August Otto, a German inventor around 1866. There were chemists and engineers working on the theory of an engine as far back as the mid 18th century. It was in...
By: Steve Grant - 209226
Air conditioning is commonly thought of as just that thing at cools places down. It is not just used for cooling it can be used for heating, ventilation and disinfecting air, anything that changes the conditions of air, but cooling is the most common usage...
By: Jonesy
For many years, dating back to the ice-age man has kept record of time. Ice-age hunters would scratch the ice and ancient races would use the sky. However, one must not get confused with clocks and time keeping, as time keeping relates to measuring time...
By: Steve Grant - 209226
In the 20th Century there were many inventions from the air conditioner to the lie detector. Many of the inventions that were founded in the 20th century are very important to what we have today.1902 The air conditioner:It was created by Willis Haviland Carrier...

 

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