Articles [General]

I live in the school hostel, in a room with three boys. In summer we get up very early, about five O’ clock, because school beings at half six; in winter, when school starts at nine O’ clock, we get up about half past seven. The first thing we do...

Osmosis Osmosis is a process of movement of solvent molecules from the region of higher concentration to lower concentration. Take a thistle funnel, the mouth of the thistle funnel is covered by parchment membrane. Concentrated sugar solution is...

Every morning we see new development happening in the field of education. Some researcher talk about the need for sight word , some stand for memorizing skills and the list goes on and on. These thing show that these is good amount of awareness on...

Sewage disposal The used or we can say wasted liquids water from various areas has to be treated before it accumulates and causes nuisance and population to the environment. The various waste water includes water used by home and then released the...

As we have entered the new century, it is proper for us to look back and draw a balance sheet of our achievements and failures. We have made tremendous strides in science and technology. Mankind has got promises for a healthier, prosperous and...

Motor cars were invented about eighty five years ago; and even eighteen years ago therewere not many India. Then Indian gentlemen drove about in carriages, traps and buggies,drawn by horses. But nowadays we hardly see in the streets of a big town...

                     ELECTRIFYING ELECTRICITY            What exactly is electricity? Some people define electricity as a state of energy. So is the heat as well as kinetic energy but they do not give such an electrifying effect as our...

From flowers to honey The honey makers A honeybee starts the honey making process by visiting a flower. It stretches out its tube like tongue and sucks up the sweet nectar from blossoms. The nectar goes into the bee’s `honey stomach’ or sac meant...

USE OF WHERE:   SQL> select * from student20903 where Dob='01-JAN-88';   ROLLNO   FNAME         LNAME     ADDS          DOB           MOBNO ---------- ---------- ---------- ------------------------- --------- ----------------- 201          ...

Creating and Describe Table:   SQL> create table student20903(Rollno number(5) primary key,Fname char(10),Lname char(10),adds varchar2(25),DOB date);   Table created.   SQL> desc student20903;   Name                                    ...