Sky usually comes in blue, grey or dark color. But, there are times when the sky appears pink. Why is that so? Specifically, the phenomenon comes about through the interaction of light with the dust and soot particles high up in the atmosphere. When light hits a dust particle in air, it is scattered … More Why is the sky pink in the evening?
Lead service line constitutes part of the drinking water distribution network in some parts of the world, and its use comes from the antiquated concept of providing disinfection to the drinking water distributed in a typical city’s vast distribution network. Specifically, water that leaves the drinking water treatment plant would need to pass through a … More What is a lead service line in water distribution, and what is its effect on health?
Water is a precious resource and with attendant water scarcity as predicted by many climate change simulation models, there is strong impetus in many countries for increasing the source of fresh water as well as improving water conservation efforts. One popular conservation efforts is in the reuse of low contaminant water for washing applications. … More Folly of using rainwater for industrial cleaning applications such as washing train cars
Parallel imports offer an easy and flexible path for car aspirants to own a car whose characteristics and vintage matched their specifications and dreams. From a commercial perspective, parallel imports afford a mechanism for exchange of cars with differential performance characteristics tailored to the road conditions of individual markets. Hence, parallel import adds to the … More Street level air pollution and excessive tailpipe emissions from old parallel imported cars