Introduction: Air pump was invented by Robert Boyle and Robert Hooke. It is a pump that is installed in bicycles, aquarium, gas compressor, air horn and vacuum cleaner to pump air. The common mechanism that goes into an air pump is that a part of the air is pushed that creates vacuum which is filled … Read more
Introduction: Windmill turbine generally called as wind turbine is a machine that is used to convert energy in the wind into electricity. The windmill turbine has blades that rotate for a certain number of revolutions depending on the technology. They rotate at a constant or variable velocity according to the velocity of wind in order … Read more
Introduction: A zoo is a place where animals are kept in a safe and protected habitat for the purpose of observation and experience of common man. The term zoo refers to zoological garden. The word zoology was derived from the Greek word, ‘zoion’ meaning animal and ‘logia’ which means study. The animals present at zoos … Read more
Introduction: Gandhi Jayanthi is the birth anniversary of Mohandas Karamchand Gandhi. It is celebrated every year on October 2nd, it is one of the three national holidays in India. The other holidays are Independence Day and Republic Day celebrated on August 15th and January 26th respectively. It is marked with community celebrations all over India, … Read more
Introduction: A forest is a large space filled with trees and animals living in their natural habitat. Forests are of various types. Based on the location of a forest its density and the inhabitation of animals vary. The animals present in forests are wild and work according to the food chain. Forests are large masses … Read more