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A glass is made from liquid sand. You can make glass by heating ordinary sand (which is mostly made of silicon dioxide) until it melts and turns into a liquid.
Cement is manufactured through a closely controlled chemical combination of calcium, silicon, aluminium, iron and other ingredients.

Isotopes are atoms of the same element having the same numbers of protons (atomic number), but different numbers of neutrons. They have same chemical properties due to the same electronic configuration but different physical properties.

A projectile launched at 45 degree angle has the greatest range.Initial velocity is also matters in get maximum range.

Gravity is the weakest of the four fundamental forces. Ordered from strongest to weakest, the forces are

1) the strong nuclear force,

2)the electromagnetic force,

3) the weak nuclear force, and

4) gravity.

National Science Day is celebrated in India on 28 February each year to mark the discovery of the Raman effect by Indian physicist Sir Chandrasekhara Venkata Raman on 28 February 1928.

For his discovery, Sir C.V. Raman was awarded the Nobel Prize in Physics in 1930.

The blood consists of the negatively charged colloidal particles like albuminoid particles and the ferric chloride is positively charged. When ferric chloride solution is applied on wound the colloidal particles surround the solution and form a clot. This causes coagulation of the blood, which stops further bleeding.

Integrated circuits provide the scope of having millions of transistor to be placed in a single chip by making its switching speed and functionality much more faster and smooth than the conventional circuits.

There are always three factors while building a chip Power, Speed and Area. In a IC all the three factors are given more importance than in case of conventional circuits.

Not only that in a IC the designing models are quite compact,optimised,low power dissipation and faster while in conventional circuits it’s quite bulky,takes more area and power leakage are more.

A projectile is any object that once projected or dropped continues in motion by its own inertia and is influenced only by the downward force of gravity.

In electronics and electrical engineering, a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit. Its essential component is a metal wire or strip that melts when too much current flows through it, thereby interrupting the current.

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