Scientists from University of Michigan in the United States have found that dangerous airborne viruses can be rendered harmless on-the-fly when exposed to ‘cold plasma’ – a stream of energetic, charged fragments of air molecules. The researchers have measured the virus-killing speed and effectiveness of non thermal plasmas – the ionised, or charged, particles that ..
Gases: GK, Current Affairs, Questions, Trivia and News
Smog is nothing but a combination of smoke and fog. Smog occurs due to the factors like geography, sunlight, industrial activity, vehicular emissions, calmness of winds, burning of coal etc. Smog usually occurs at a place which is far away from the actual source of pollution. At least two distinct types of smog are recognized: ..