There is no other birthstone quite like the opal. Opal, unlike other gems, does not have a definite crystalline structure, making it amorphous. When...
Education is one of the basic requirements of every individual. Education helps people to be financially independent and lead a quality life. People can...
Optical fiber cable is a modern, high-speed communication medium. Its strands are made from optically pure glass and are thinner than human hair. Optical...