1)What is Leap Years? Hello today i'm here with new topic called leap year. From few days i'm thinking about th…

1)Why doesn't Oil Dissolve In Water ?   Water is the most commonly used solvent. Some substances such as salt and s…

In 1877 , the American astronomer Asaph Hall became the first human to see a satellite of Mars. Shortly afterward , he …

Human on the Mars -(Journey to The Red Planet)                                                                         …

Inventor of Telegraph - Samuel Morse                                                                                   …

Do you know that Sound travels in air a distance of about 330 meters in a second but in sea water it travels a distance…

Gasohol is a promising alternative to gasoline. It has a higher Octane than the real thing and cuts down on the consump…

Invention of Sleeping Car : It is interesting to read about the man , who made our journey comfortable on Railways, wit…

Discovery of Lightning conductor : The lightning Conductor, a highly useful invention, was the brain-child of the amer…

POLAR BEAR : Polar bear is known as the world's biggest flesh eating animal. Standing upto a height of 10feet , ma…