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Bulletproof glass (also known as ballistic glass, transparent
Bulletproof glass (also known as ballistic glass, transparent armor or bullet- resistant glass) is a type of strong but optically transparent material...

A hydrophone is a microphone designed to be used underwater
A hydrophone is a microphone designed to be used underwater for recording or listening to underwater sound. Most hydrophones are based on a piezoelect...

Magnetism is a class of physical phenomenon that includes
Magnetism is a class of physical phenomenon that includes forces exerted by magnets on other magnets. It has its origin in electric currents and the f...

In science, buoyancy is an upward force exerted by a fluid that
In science, buoyancy is an upward force exerted by a fluid that opposes the weight of an immersed object. In a column of fluid, pressure increases wi...

Natural rubber, also called India rubber or caoutchouc, as
Natural rubber, also called India rubber or caoutchouc, as initially produced, consists of polymers of the organic compound isoprene , with minor impu...

Water resource management is the activity of planning,
Water resource management is the activity of planning, developing, distributing and managing the optimum use of water resources. It is a sub-set of wa...

Why do we need Leap Years? Leap Years are needed to keep our
Why do we need Leap Years? Leap Years are needed to keep our calendar in alignment with the Earths revolutions around the sun. It takes the Earth appr...