PAZHANTHARAVU

Nature mother ! Doesn't need another !! Hello Readers !!!   We may use many things in our day to day life. In those, 80 - 85% are plastics. It's not good for us from its source to destination. Though we have enough awarness about it, we can't control its usage.  This is a blog which explains about some facts about plastic bottles. Even, it have some advantages. Most of the children carry those bottles while they are going to school. Even we too drink in those bottles when we are out. Intake quantity may be more when we drink in those bottles. So, the body will be active for the day. It's just one side. We may not aware of the other. Lets see the way of plastic travelled. First, in 1907, Leo Baekeland, a New York scientist, coined the term "Plastics". Then, in 1973, Nathaniel Wyeth, an American Mechanical Engineer, invented the Plastic bottles. Plastics has its major chemical content as Polyethylene Terapthalate (PET). Mostly plastic objects are non-transparent...

"Money is everything when we doesn't have anything" Hello Readers !!!           Now a days, we are living in a society where money matters. But it was not in a trend in ancient times. The Barter system was followed 6000yrs ago. It's just interchanging of goods, mainly used for food items and weapons. Military forces were paid salt as their salary at that times. It denotes the importance of bartering in those days. Interchanging of goods was the main advantage of this method. Similarly it also had few disadvantages. There will be a lack of trust between seller and buyer. They don't have any proof for the transaction. Also there will be chances of damage items in the interchanged goods.           To overcome those insecurity problems, the concept of currency had introduced 5000 years ago. At that time, it is mainly used as a proof document for food items stored in temple. At begining time, the money has no value. After that, it w...

"Smart phones becomes smarter when you be the smartest" Hello Readers !!          Everyone is using smart phones in this current generation. Even now you may use smart phones to read this blog. Human body need some essential functions like brain, heart, kidney etc ... Likewise mobiles too need such sources to function. In this blog we are going to see such an important functioning part of a Mobile phone.          It's just a sim card.   Through this blog you will know few unknown details about simcard.  Even SIM is an acronym. It's  Subscriber Identity Module or Subscriber Identification Module. "Mobile Phone without sim card is like Human without Brain"         In 1991 it has been discovered by Giesecke + Devrient (G+D), a German Company.  This company was started by Hermann Giesecke and Alphonse Devrient in 1852. This company is a currency and document...