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Saving fuel, reducing noise of airliners
Estimates suggest that continuous descent could save a large airliner as much as $80 million per year in fuel costs alone


Sharper photos from flexible photodetectors
When a device records an image, light passes through a lens and lands on a photodetector — a light-sensitive material like the sensor in a digital camera. However, a lens bends the light and curves the focusing plane. In a digital camera, ...

Vertebrate with eyes that use mirrors, not lenses
An article, titled ‘A Novel Vertebrate Eye Using Both Refractive and Reflective Optics,’ describes the unusual eyes of the spookfish, Dolichopteryx longipes. The article was the result from unique research and was ...

Spitzer telescope detects dust around carbon star
Dust plays a key role in the evolution of such galaxies as our Milky Way. Stars produce dust — rich with carbon or oxygen — as they die. But less is known about how and what kind of dust was created in galaxies as they formed ...

Historic win for clean air in California, U.S.
President Obama has directed the Environmental Protection Agency to revoke a Bush-era policy. The policy prevented California and many other States from setting their own auto emissions limits. ...

111-year-old reptile sires eleven offspring
A 111-year-old Tuatara, a New Zealand reptile, one of the last living descendants of the dinosaurs has proved it’s never too late to sire offspring. He and his mate, 70-80 years old, have laid 12 eggs, of which 11 hatched. ...

Space-shuttle science aids ophthalmology
Dr. Manuel Datiles (left) tests an eye device on NASA scientist Rafat Ansari. Ansari developed a device used in space-shuttle experiments that can help determine when the eye becomes vulnerable to forming cataract. ...

Newborn infants detect the beat in music
Researchers have demonstrated that two to three day old babies can detect the beat in music.This phenomenon — termed ‘beat induction’ — is likely to have contributed to music’s origin. Beat induction is uniquely ...

Gold gets harder at very high temperatures
Gold can become harder when heated at greater than 1 billion million degrees/sec. This was too fast for the electrons absorbing the light energy to collide with atoms and lose energy. The inter-atomic bonds got ...

Imaging technology to gain from bees’ ability
Latest research shows bees can learn to recognise human faces even when seen from different viewpoints. Imaging technology programmers working on solving complex visual recognition tasks will find this research useful. ...
Agriculture


FARMER'S NOTEBOOK
A farmer’s experimentation leads to a highly popular drumstick variety
The farmer has earned about Rs. 6 lakhs in a year from his nursery

Management of downy mildew in sunflower
Sunflower crop is among the top five commercial oilseed crops grown all over India. Its cultivation is mainly hindered by diseases and pests. Among the diseases downy mildew is a serious obstacle in sunflower cultivation due to its ...

Farm Query
I have heard that asafoetida boosts crop yield. Is it true? Is there any farmer who is practising this method? P. Vasudev Nair ThiruvananthapuramA farmer named Mr. K.M. Chellamuthu at ...


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