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
Under the killing sun
Cloud view clears up
Origin of aerosols dictates cloud shape
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
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 …
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
Recent strong solar flare can hamper satellite communication
There is a strong ionospheric perturbation is ongoing over India, South East Asia and the Asia-Pacific regions, according to scientists, which …
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