General Awareness

ENVIRONMENT - March 2017

Mar 2017

Dec 21, 2017

Test Trial of Anti-smog Gun

The Delhi government began testing of anti-smog gun, a machine that sprays water into the air, amid concerns over the alarming level of air pollution in the national capital.
The trial run is being conducted by the Department of Environment and Delhi Pollution Control Committee.
Anti-smog gun is a device which is used to sprays atomised water into the atmosphere to reduce air pollution.

Dec 14, 2017

East Antarctic Ice Sheet

New research published by The University of Texas at Austin and the University of South Florida found that the East Antarctic Ice Sheet may not be as stable as it seems. In fact, the ice sheet has a long history of expanding and shrinking -- a finding that indicates the ice sheet may contribute substantially to global sea level rise as Earth's climate warms. The new results came from geophysical and geological data collected during the first-ever oceanographic survey of East Antarctica's Sabrina Coast. The glaciers in this region may be particularly susceptible to climate change because they flow from the Aurora Basin, a region of East Antarctica that mostly lies below sea level.

Dec 11, 2017

New form of matter ‘excitonium’ discovered

Scientists have proven the existence of a new form of matter called excitonium — which was first theorised almost 50 years ago. Researchers from University of California Berkeley and University of Illinois at Urbana-Champaign in the US studied non-doped crystals of the transition metal dichalcogenide titanium diselenide. Excitonium is a condensate — it exhibits macroscopic quantum phenomena, like a superconductor. It is made up of excitons, particles that are formed in a strange quantum mechanical pairing.

Dec 04, 2017

Super Moon Brightens up the Sky

The moon appears bigger and brighter in the sky as it moves closer to earth. The moon will appear 14% larger and about 30% brighter because it revolves around the earth in an ‘elliptical orbit’. The moon will be closest to earth at 2.15pm (IST) on Monday, the distance being 3,57,492km. Nasa has said that there will be two more supermoons—one on January 1, and the second one on January 31—calling it a supermoon trilogy, including the one on Monday. The space agency said the January 31 supermoon will be ‘extra special’ because it will also feature a total lunar eclipse.

Nov 16, 2017

Reducing Greenhouse Gas Emissions

India has been ranked 14th in this year's Climate Change Performance Index (CCPI) 2018 out of 56 nations and the European Union by environmental organisation Germanwatch, an improvement from its 20th position last year, for reducing greenhouse gas (GHG) emissions by opting to transform its electricity sector towards green technology.
China with its high emissions and growing energy use ranks 41st in the list.

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