Invention paedia

What is Hantavirus ?                                                 Hantavirus is an old family of viruses , which        mainly spread through the  Rats and Rodents       It can causes various disease like  Hantavirus       Pulmonary syndrome . It can also causes bleeding        and Kidney failure.        How to Transmission                        Hantavirus is transmitted , When a person come       in direct contact with the  Dropping , Urine , saliva     of rodent that has virus .      The virus enters the human body through  Eyes,        Nose and mouth Symptoms of Hantaviru...

   How does the tongue tell us the taste ?       Man has five senses of perception - eyes, nose, ears,     Skin and tongue. The tongue tells the taste.     The tongue is located inside the mouth . It is narrow     In the front side , While broader in the rear. It is an    important muscle in the body. It's red in  colour .     You will see granular lumps on its upper Surface .     They are called as  taste buds  .These taste buds are     are composed of cells. There are hair like fibers       These taste buds are of four kinds , telling us four main tastes - Sweet , bitter , sour and salty               The front portion of the tongue is sensitive for       Sweet and salty tastes , the back portion is for the  bitter and the edges of the tongu...

      How was electricity invented ?      Today you cannot imagine of normal life without electricity. The         Majority of machines run with the help of electricity . Motor , rail        Engine and machines - all need electricity .             Do you know when and how electricity was invented ?       The word ' electric ' has originated from the Greek word ' electron'       Alessandra Volta invented electricity . He was the first man to       Make electric cell from which electric current was obtained . Soon       After the invention of the electric cell, people came to know that       Heat, light , chemical reaction and magnetic effects could be       Produced from the electric current.      Voltaic cell consisted of a ...