Browsing articles in "Technology"
Mar
19
2011

Who Invented the CD

CD

The compact Disk was originally the brainchild of a brilliant scientist named James Russel. In the 1960′s, Russel worked at the Battelle’s Pacific Northwest National Laboratory in Richland to devise the optical digital data service technology. He acquired twenty-two patents for various elements of his compact disk. However, it did not gain popularity till much later when Sony and Philips combined task forces to co-produce the Compact disc-digital audio standard. In the year 1979, both [...]

Mar
19
2011

Who Invented Cannons

Cannons

Cannons are basically weapons which launch a projectile with the help of gunpowder. However the first cannon known in history did not use gunpowder and was made by Ctesibius of Alexandria using compressed air. His work got destroyed in history and was later again discovered by Philo of Byzantium. Initially long pieces of paper and bamboo were used for barrels, later replaced by metals. The noted first use of gunpowder happened in the year 1132. [...]

Mar
19
2011

Who Invented Bluetooth

Bluetooth

Bluetooth was first invented by the company Ericssion in the year 1994. It is now a common feature for many electronic gadgets like laptops, desktops, palmtops, cell phones, i-pods etc. Bluetooth is an electronic wireless technology that enables secured transmission of data without any interference. The technology on which it was initially based was frequency hopping spread-spectrum which helps in easy transmission of radio waves. After Ericssion came up with the basic of the technology, [...]

Mar
19
2011

Who Invented Air Conditioning

Air Conditioning

The basic concept of air conditioning had been incorporated in Ancient Rome. It refers to removal of heat component from the indoor air for thermal comfort. It may also be referred to as a form of cooling that modifies the condition of hot air. People of ancient Rome used to circulate water through the wall of the houses to cool them. Same kind of techniques has been used by Persians. They used wind towers and [...]

Mar
19
2011

Who Invented Blogs

Blogs

A blog may be referred to as a website or a part of a website. It is a short form of the word ‘weblog’. The term weblog was first coined by an American blogger called Jorn Barger, in the year 1997. Earlier, he used the term ‘log the web’ when he surfed the web and later the same has been changed to ‘we blog’ by another blogger called Peter Merholz, in the year 1997. Gradually [...]

Mar
19
2011

Who Invented Blu Ray

Blu Ray

Blue ray technology is used producing Blu ray discs which have an outstanding data storage capacity of 25GBs and uses blue laser to read the disc. A Blu ray DVD beats a normal DVD in reading capability by six times. The concept was conceived and first invented by the company Sony. It was released limitedly in Japan in year 2003. The Blu ray technology was strongly competed in the market by HD technology. This is [...]

Mar
19
2011

Who Invented Arc Lights

Arc Lights

Sir Humphrey Davy devised the first arc light in the early 1800s using carbon electrodes. However for a long time the arc lights were a rare sight since they could be operated only by the means of expensive generators or batteries. Subsequently, many scientists improvised on the arc lamp hence facilitating its use in special places such as theatres, lighthouses etc. The development of inexpensive sources of electricity in the latter half of the century [...]

Mar
19
2011

Who Invented Biometrics

Biometrics

Joao De Barros a European explorer first invented the finger printing technology in 14th century. A policeman from Paris used the system to study and identify the criminals. The term biometrics has been derived from Greek words bios – means life, and metron – means measures. It is the study of development of automatic methods for identification and validation of unique physical and behavioural traits of individuals. The term is also used to refer to [...]

Jan
22
2011

Who Invented the Crossbow

Who Invented the Crossbow

Early evidence of the use of Crossbows can be trailed back in Chinese history to as early as 341 B.C. It is believed that the crossbows were first used in the battle of Ma-Ling in Lingyi, China. It became a primary warfare weapon after that and was used for several years to come. The Chinese kept upgrading and improving the original cross bow from time to time. One of the improved versions was the repeating [...]

Jan
22
2011

Who Invented the Computer Mouse

Computer Mouse

Using computer was considered a difficult task during earlier period of their invention as they were large devices. The user needed to type everything by hand and could not alter the mistakes. Douglas Engelbart was a researcher of Stanford Institute and wanted to find new ways to make using the computer easier. Douglas Engelbart contributed greatly towards the changing the working method of computer. He invented several user friendly tools that can be used by [...]

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