Unidentified Flying Object – UFO Unidentified Flying Object (UFO) is any object or light in the sky that cannot be immediately explained by the observer. Sightings of unusual aerial phenomena date back to ancient times, but UFOs (sometimes called flying saucers) became widely discussed only after the first widely publicized American sighting in 1947. Many thousands of such observations have since been reported worldwide. At least 90 per cent of UFO...

E-Commerce : Electronic Commerce : E-Commerce an abbreviation for electronic commerce, usually defined as the conduct of business on-line, via the Internet. Until recently, e-commerce was limited mainly to large companies and their suppliers, who connected their computers together to speed up ordering and payment systems. Today, millions of people are involved in e-commerce on the Internet—when, for example, they visit World Wide Web sites to buy books or CDs, order...

Cryogenics  Cryogenics is the study and use of materials at very low temperatures. The upper limit of cryogenic temperatures has not been agreed on, but the United States National Institute of Standards and Technology has suggested that the term cryogenics be applied to all temperatures below -150° C (-238° F or 123 K). Some scientists take the normal boiling point of oxygen (-183° C or -297° F), as the upper limit....

Electric Vehicles  As humans continually exploit the earth for their own conveniences they become increasingly aware of the damage they cause. In the last 30 years the population has begun to notice just how serious the problem is and as a result great efforts have been put into amending the environment from our technological follies. Since the use of fossil fuels causes 70% of the earth’s air pollution its, only logical...

Technological Discoveries and Applications in India   The technological advancements of ancient India can be judged from the fact the earliest civilization of India, Harappan civilization (4000-3000 BC) can be compared with any modern civilization. Archaeological remains point to the existence of well-planned urban centers that boasted of private and public dwellings laid out in orderly fashion along with roads and drainage systems complementing them. The drainage systems were particularly remarkable...

Industrial Revolution The Industrial Revolution proved very beneficial for the progress of the world from the 1800’s onwards till the present date, Technological progress during the Industrial Revolution created happiness, life opportunities and betterment of life. Industrial Revolution was term first used in the early 19th century to describe major changes in modes of production in Britain since the mid-18th century and their social consequences. However, it was quickly recognized outside...

Mobile Phone What a drastic change has been witnessed by the world in the field of telecommunications. Mobile phones and the networks behind them are proving to be a milestone in the information highway. Gone are the days when the telephone only served the purpose of communication through sound. Now the concept of convergence is rapidly changing the whole scenario. People now want everything in their mobile phones, from moving clips...

Evils of the Internet  Since its advent, Internet has completely changed our lifestyle. It has converted world into a global village. It has substantially helped business, science, art and culture, etc. etc. But, with it has also brought in many evils, just like any other technological advancements. First let us know what exactly is Internet. Internet, open interconnection of computer networks that enables the computers ‘ °I-‘n and the programmes they...