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Redirecting sunlight to illuminate narrow streets

Last Updated: Tuesday, April 15, 2014, 12:10

In a novel way to provide some natural light in dense urban centres with tall buildings around us, Egyptian researchers have developed a corrugated, translucent panel that redirects sunlight onto narrow streets and alleyways.

Satellite technology to measure plant energy activity

Last Updated: Tuesday, March 25, 2014, 19:40

In what could provide an improved tool to evaluate the productivity of the breadbaskets of the world - such as the Indo-Gangetic plain, scientists have for the first time made use of satellite technology to measure photosynthetic activity as it occurs around the planet.

Global warming to speed up if geoengineering is carried for decades and then stopped

Last Updated: Wednesday, February 19, 2014, 16:40

A new research suggests that spraying reflective particles into the atmosphere to reflect sunlight and then stopping it, could exacerbate the problem of climate change.

Here, seawater is used to grow vegetables!

Last Updated: Tuesday, February 18, 2014, 15:50

At the Spencer Gulf, near Port Augusta in South Australia, Sundrop Farms is turning sunlight and seawater into fresh water and food inside greenhouses.

New insights into light harvesting boost for solar future

Last Updated: Monday, February 17, 2014, 16:39

A new promising approach in understanding the basic mechanisms of light harvesting could help improve the design and efficiency of devices like solar cells in the future.

Geoengineering techniques may fail to undo climate change

Last Updated: Friday, December 06, 2013, 16:36

Researchers have showed that reducing the amount of sunlight reaching the planet`s surface by geoengineering may not undo climate change after all.

Scientists find way to boost crop yield

Last Updated: Thursday, October 10, 2013, 23:02

Scientists have found a way to improve yields of some crops by understanding their evolutionary process that made them significantly more productive than others over the years, a study said.

Hydrogen fuel could soon be harness directly from sunlight

Last Updated: Friday, August 30, 2013, 15:42

Scientists have taken an important step towards meeting at least one of the challenges in their search for clean, green sustainable energy sources.

Sunlight to be beamed onto Norwegian town square

Last Updated: Tuesday, July 16, 2013, 13:28

On Monday, workers and technicians were giving the five-million-kroner project a final touch.

Nanowire solar cells come closer to reality

Last Updated: Monday, March 25, 2013, 20:21

Scientists have shown that a single nanowire can concentrate the sunlight up to 15 times of the normal sun light intensity.

Blocking sunlight could stop Arctic melting

Last Updated: Monday, October 22, 2012, 19:29

Geoengineering can be applied to save the Arctic ice cap if targeted at specific regions of the planet, rather than cooling everywhere equally

Indian origin scientist unlocks some key secrets of photosynthesis

Last Updated: Sunday, July 08, 2012, 12:10

A new study led by an Indian origin scientist is trying to detail the individual steps of highly efficient reactions that convert sunlight into chemical energy within plants and bacteria.