Monthly Archive:: September 2014

Safety glass:Different forms

Glass is made by fusing silica together with sodium carbonate and calcium oxide at high temperatures. Normal glass or annealed glass tends to break into large pieces. This glass is used to produce more advanced glasses called safety glass. Very strong annealed glass is capable of releasing huge amounts of energy while breaking. This may

Making of currency coins

Currency coins are made of various metals and alloys like bronze, nickel-brass, cupro-nickel (75% copper and 25% nickel), Aluminium Bronze and stainless steel. The mints buy the strips of metal to manufacture the coins. These strips are about 13 inches wide, 1500 feet long. They come rolled in the form of a coil. The coil

Calorie: Basics ought to be known

Calorie is a unit of energy. It applies to anything that possesses energy. For example one ton of coal contains an equivalent energy of 7,004,684,512 calories. While talking in terms of food and drinks, calories refer to the energy stored in the food/drink we eat in the form of carbohydrates, fats and proteins. Energy gives

Yeast: Let’s have a closer look

Yeast finds a lot of applications in the food industry and is an important ingredient of bread, pizzas and alcoholic beverages like wine, beer etc. They cause the bread to rise and juices to ferment. Currently research is also happening on the how to transform plants into bio fuels under the action of yeast. Yeasts

Basics about fingerprints

Fingerprints are very unique in nature and permanent from birth to death. Even identical twins would not have the same fingerprints.Fingerprints form while the baby is in the womb. They  do not change with our physical growth or age.   Fingerprints are ridges formed on the fingers. They could be of three types depending on