Sunlight

Artificial leaf that creates fuel from sunlight, water is here

Artificial leaf that creates fuel from sunlight, water is here

The ultra-thin wireless device mimics plant leaves to produce energy using water and sunlight.

Sep 06, 2017, 14:08 PM IST
27-year-old marine engineer lives like a 'vampire' — Find out why!

27-year-old marine engineer lives like a 'vampire' — Find out why!

Sam Phelps suffers from a rare incurable condition, known as erythropoietic protoporphyria (EPP), that causes his skin to burn when exposed to UV light.

Jul 04, 2017, 17:18 PM IST
Bask in the sunlight to energise your immune cells

Bask in the sunlight to energise your immune cells

While production of vitamin D requires ultra violet (UV) light -- known to promote skin cancer and melanoma, the low levels of blue light found in the sun's rays is safer and helps makes T cells move faster.

Dec 21, 2016, 16:56 PM IST
Efficient use of sunlight can better crop yields

Efficient use of sunlight can better crop yields

They say the findings observed in tobacco plants could potentially be used to increase the yield of food crops like wheat and rice.

Nov 28, 2016, 11:34 AM IST
Now clean your dirty clothes with sunlight

Now clean your dirty clothes with sunlight

They have become successful in devising a a low-cost, efficient way to grow nanostructures on textiles that can degrade organic matter when exposed to light.

Mar 25, 2016, 23:04 PM IST
Daylight-saving time concept: Why it benefits some people!

Daylight-saving time concept: Why it benefits some people!

An extra hour of daylight also means more time to spend money.

Mar 12, 2016, 17:01 PM IST

Device for solar-powered water purification in the offing

An Indian-origin scientist in US has designed a device that can sanitise dirty water merely by absorbing sunlight, an advance that could be a global game-changer in the potable water crisis.

Jan 06, 2016, 13:59 PM IST

Depth-sensing camera now captures 3D information in sunlight

 Researchers, including those of Indian-origin, have developed a new 3D imaging technology that allows depth-sensing cameras to work in bright sunlight.

Sep 06, 2015, 16:58 PM IST

Solar water-splitting method to provide clean energy

 Researchers from Rice University have demonstrated an efficient new way to capture the energy from sunlight and convert it into clean, renewable energy by splitting water molecules.

Sep 06, 2015, 12:32 PM IST
Soon, smart windows to control heat and light

Soon, smart windows to control heat and light

Researchers are developing new smart windows that could allow people to control the heat and sunlight entering their houses.

Jul 23, 2015, 17:56 PM IST

Eating citrus fruits may increase melanoma risk

 Frequent consumption of citrus fruits -- whole grapefruit and orange juice -- may be associated with an increased risk of melanoma, a type of skin cancer, says a large study.

Jul 06, 2015, 11:59 AM IST

Graphene may be used to build fuel-free spacecraft

The wonder material graphene may be used to build fuel-free spacecraft that runs on just sunlight, researchers say.

May 31, 2015, 20:30 PM IST

Danish student in sun harvest breakthrough

A student from the University of Copenhagen has researched his way to a breakthrough that may prove pivotal for technologies trying to capture the energy of the sun and saving it for a rainy day.

May 08, 2015, 15:49 PM IST

Catch some sun to lower pancreatic cancer risk

Low levels of vitamin D could raise risk of pancreatic cancer as the rates of the disease are the highest in countries with the least amount of sunlight, says a study.

Apr 30, 2015, 15:37 PM IST

Artificial photosynthesis method turns waste CO2 into fuels

In a breakthrough in artificial photosynthesis, researchers have developed a new system that uses sunlight to convert waste carbon dioxide into valuable chemical products such as biodegradable plastics, pharmaceuticals, and even liquid fuels.

Apr 24, 2015, 18:27 PM IST
Scientists try to contact Rosetta's Philae lander to give it a wake-up call

Scientists try to contact Rosetta's Philae lander to give it a wake-up call

The European Space Agency (ESA) on Thursday put an effort to re-establish contact with its robotic probe 'Philae lander' that perched on comet 67P/Churyumov-Gerasimenko in November 2014.

Mar 13, 2015, 12:01 PM IST
Strange comet flies past the Sun

Strange comet flies past the Sun

NASA's Solar and Heliospheric Observatory (SOHO) along with the European Space Agency (ESA) have captured an unusual comet that skimmed past the Sun Feb 18-21.

Feb 25, 2015, 23:44 PM IST

Sunbathers take heed: Skin damage continues hours after exposure

Here`s a warning to sunbathers everywhere. Scientists have found that the skin damage caused by UV rays does not stop once you get out of the sun.

Feb 20, 2015, 09:25 AM IST
New tech uses sunlight to purify water

New tech uses sunlight to purify water

 A new Japanese technology that uses sunlight and photocatalysts to turn polluted water into safe drinking water is being tested in India.

Jan 05, 2015, 13:53 PM IST

New pathway to turn sunlight into electricity

An spectroscopy experiment at University of Oregon has opened a window on how sunlight can be converted into electricity.

Dec 20, 2014, 12:30 PM IST