The Taj Mahal, one of the new Seven Wonders of the World, is perhaps the most beautiful and exquisite symbol of love. It was built in Agra by Mughal Emperor, Shah Jahan as a mausoleum for his wife, Mumtaz Mahal, over 350 years ago. It has been exquisitely built with marble, turquoise, jade, lapis lazuli…
A magnet is an object which creates a magnetic field around it. The characteristics of the magnet determine the weak to the strong fields of the same around it. Magnets can be categorized into two parts which are as follows: • Permanent magnets: They are magnetized and would remain magnetized for the lifetime. • Electro…
The uses of iron are innumerable. It is probably the most important metal for the human race, which has discovered its uncountable uses since 3500 B.C. Pure iron, a grayish white metal, is scarce on Earth. It is only available in fallen meteorites. Apart from that, the iron on earth is found as a combination…
Glass, perhaps, comprises of one of the largest part of industrial and domestic waste materials. With food bottles, show pieces and broken glass wares and light bulbs etc., the magnitude of the waste can be scarcely imagined. Glass in itself is a non-toxic, inert material. It is not really hazardous when it is dumped but…
The principle used to generate electricity came into existence during the late 1820 and the early years of 1830. The principle was discovered by Michael Faraday. The basic method that he invented is still used today. His principle stated that electricity is generated when there is a movement of a loop wire or copper disc…