Lighting and the state of the nation

Artificial lighting has been with humans from the day fire was harnessed. Our entire way of living has over the last millenia depended on reliable artifical lighting. The advent of electric lighting marked another epoch in lighting and changed the face of the world. Today satellite photography or even a plane ride over any major landmass reveals that artificial lighting is the most visible human artifact when seen from space. This blog will look at the various forms of lighting that exist and explore the state of the art in lighting as well as alternate energy sources to power the same.