Water pollution is a burning issue of today’s twenty first century. Among four different pollutions, it is also the one which is caused by the addition of unwanted materials into water and its sources. It can be defined as the…
Friction: A Type of Force
There are different types of force which are used by living beings in their day to day life. Force can be simply defined as the external agency that changes or tends to change the state of a body from rest…
December 2012: Is it really the end of the World?
As we already know, there are many rumours about the destruction and end of the whole world in December, 2012. There are no good and strong reasons behind the devastation of the earth in December? In spite of no clear…
Air Pollution: One of the problems of the World
Air pollution can be defined as the occurrence of solid waste or higher concentration of gases other than oxygen which are harmful to human beings as well as other related organisms. It is one of the most considerable and harmful…
Environmental Pollution
Environmental pollution can simply be defined as the addition of any unwanted or undesirable changes in the physical and biological characters of the environment. As a result of pollution, human life, useful organisms, living conditions, environment, ecosystem, raw materials etc.…
Some Common Computer Viruses
C (Brain) Virus: C (Brain) virus was created by Pakistani brothers Amjad and Basit Alvi in the year 1985 A.D. at Lahore. Originally, it was created and designed to prevent unauthorized use of software sold by ‘Alvis’ Brain computer shop…
Classification of Computer Viruses
As already mentioned in previous posts of this site, viruses are the major factors which help in the destruction and hacking of data and information which are stored in a computer’s memory. It is important to have a antivirus software…
Homologous Series
Homologous series is the series of organic compounds containing same functional group and their adjacent members differ by -CH2 group. The members of homologous series have similar chemical properties but different physical properties. For example: CH3-OH CH3-CH2-OH CH3-CH2-CH2-OH CH3-CH2-CH2-CH2-OH Characteristics…
Siddhartha Gautam: Gautam Buddha
Gautam Buddha is one of the important people who dedicated their whole lives in the difficult work of spreading the bright light of peace and non-violence. He is the founder and preacher of Buddhism, which is taken as a great…
New Smartphones Releasing in 2013 A.D.
We already know that, 2013 A.D. is at our doorsteps. It is only some days away from us now. Nowadays, many smartphone producers are planning to create new models of smartphones. They are planning to release them on the auspicious…