Know your World

Why is gooseberry first bitter and then sweet?

When you chew a gooseberry at first it has a bitter taste.But when you drink some water or swallow the saliva,it suddenly turns sweet. The ...
What is electronic circuit board (PCB )?How it is designed?

(Printed circuit board)Electronic circuit board A printed circuit board , or PCB , is used to mechanically support and electrically connect ...
What is Global Warming?

What is Global Warming? Global warming is the unusually rapid increase in Earth’s average surface temperature over the past century primaril...
How Earthquake Happen?
What is a Printed Circuit Board (PCB)?

What is a Printed Circuit Board (PCB)? Most electronic equipment and products have circuit boards. Pprinted circuit board (PCB / PWB), is ...
Are the deserts expanding?

More than one fifth of the area of India is occupied by Thar Desert,Africa by Sahara Desert, China by Gobi desert,South America By Atacama ...
Flooding at home not polar bears convinces people of man made climate change

Nick Pidgeon, Professor of Environmental Psychology at Cardiff University, showed for the first time that people with a direct experience o...
Did the Earth always look the same?

Look at the map of the world .Examine the outlines of continets of South America and Africa.Aren't the jutting portions of South America...
Do the Mountains Grow?

In 1850 the height of Mount Everest ,the tallest peak of the world was surveyed and estimated as 29,002 feet.In a study conducted after a c...
What is Ethical Hacking?

An Ethical Hacker is an expert hired by a company to attempt to attack their network and computer system the same way a hacker would. Ethica...

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