Violet chips

Ultraviolet rays could lead to the development of an advanced set of semiconductor chips

Light without heat

Surprise rays from a comet

First ever X -ray emission by a comet has excited several astrophysicists who are optimistic of bringing some more dark areas of the universe …

Cosmic killings

Stellar showbiz

Still a source of wonder for some, no great shakes for others, the recent total solar eclipse was a memorable spectacle

Forever sunny

Sunlight streams in round-the-clock as electricity from a new solar power plant in the US

Save thy skin

Exposure to sunlight -for even the shortest possible duration -is now being seen as the worst enemy of those wishing to flaunt a fair and lovely …

More snow cover means less rain

A recent study reveals how the snow cover in Asia and Europe controls the intensity of the Indian monsoon.

Heat quencher

Space mirror "illumines" Europe by night

A Russian attempt to light up the night by using sunlight reflected from a huge space-based mirror failed to come up to expectations but could …

Sun plays marginal role in global warming

Variations in solar radiations contribute little to global warming and researchers say efforts to check the phenomenon must focus on greenhouse gases.

Afforestation not so cool

Planting trees will not reduce global warming, says study

Sun screened

Pollution joins clouds, blocks sunlight over India

Double trouble

Two layers of black carbon, a pollutant causing greenhouse effect, have been found over Guwahati. Usually there is just one

Rooftop solar can help schools cut pollution, power bill: Study

India receives about 300 clear and sunny days in a year and a solar exposure of 5,000 trillion kilowatt-hours every year

Magnetic streamers to decorate eclipsed sun, scientists predict

If the prediction comes true, it will mark a major scientific achievement and could facilitate forecasting of space weather in future

Dust, particulate matter in air reducing solar energy output by 25 per cent: study

The regions that are hit the hardest are also the regions that have invested the most in solar energy installation

Under the killing sun

Cloud view clears up

Origin of aerosols dictates cloud shape

Bad news from above

A new space-borne instrument helps NASA scientists come to a 'comprehensive' conclusion that the earth is being exposed to increasing amounts of …

How about solar units on lakes if land is scarce?

It will prevent water loss through evaporation, while producing clean energy

Can glare be a roadblock in solar power expansion?

US authorities in Belmont have issued guidelines to manage solar glare

Sun-made, problems

Interaction between the sun and the surface waters of the world's oceans are hiking temperatures

Mission eclipsed

National solar mission may get derailed as banks hesitate to give loans for its high-risk projects

Water pacifies heat

Soil moisture works as an indicator of weather extremes