Tag: light
Innovative lighting solution that works without electricity

Being an engineer my mind always thinks of using science to solve practical problems. And when I used to think about lighting, I always used to think: why don’t we effectively use sunlight to light a room during the daytime? Why do we have to use electricity? When we were kids, while playing we used to use mirrors to reflect light on to each other. When I grew up I used to think of using such simple concepts to harness sun light to light a room during the day. And
Solar Lantern with LED bulbs ideal for emergency lights during power cuts

Power cuts is not a recent phenomenon but something that we have been seeing for many years in our country. There are many places in the country that receive electricity only for a few hours in a day, and then there are some that do not get electricity at all. In many parts of the country, kerosene is still used as fuel to generate light during emergency. Burning of kerosene not only causes air pollution but also has potential to cause a lot of disastrous health effects.
Excessive Lighting can cause Light Pollution

On our recent visit to a mall we were impressed to see that most of the lighting in the parking was done using energy efficient T5 tubelights. But our happiness vanished soon when we realized that there were so many tubelights placed so close to each other that there was excessive lighting. We felt that the benefits of efficient option were offset by improper use of the same. The incident made us think, is there something called light pollution? And to our surprise
Online Electricity Bill Calculator – For all states in India

For most of us, the electricity bill is needed just to check the final amount and make the payment. We at Bijli Bachao asked a lot of our acquaintances about how much they understand their electricity bills, and we found hardly a handful who did understand it. And in spite of understanding the bills, not many knew how much they are spending per unit (or 1 kWh) of electricity.
It is very important to know the per-unit cost of electricity