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2011 February Science and Technology




India to have own satellite navigation system by 2015

India will launch seven satellites in the next four to six years to develop its own version of the Global Positioning System (GPS) for enhancing surveillance capabilities and improving accuracy of its weapon systems.

The Indian Navigation System (INS) satellites would provide coverage over India's areas of interest for military purposes along with its civilian uses, IAF sources told media in Bangalore.

Till now, India is dependent on the American GPS and has signed a deal with Russia for using their GLONAS system but having an indigenous system would guarantee the availability of system during crisis or conflicts.





An international scientist team led by Flinders University, U.K. has developed a new mobile technology which is set to improve calls during disasters by allowing the transmission of signals without nearby cell phone towers.





British researchers have developed World's first accurate blood test for Human mad-cow disease (or) creetzfeldt-jacket-disease.





Scientist operating NASA's kepler planet-hunting satellite reported that they had identified 1235 possible planets orbiting other stars, potentially tripling the number of known planets.





NASA's kepler mission has discovered a remarkable planetary system which has 6 planets around a sun-like star called 'kepler-II', including 5 small planets in a tightly packed orbits.

Kepler Mission's main goal is to find small, earth size planets in the habitable zones of their stars.





Indigenous unmanned aerial vehicle (UAV) NISHANT has successfully completed a series of trails conducted by the army at chandan range, pokhran.





DRDO develops technology "Sanjeevani", to detect life trapped under debris
Defence Research and Development Organization (DRDO) has developed a special technology to detect human beings trapped under the debris of buildings after earth quakes or land slides.

"It is called Acoustic Life Detector or Sanjeevani. It uses highly sensitive acoustic sensors and audio signals to listen to the low frequency sounds from below the debris

The acoustic sensors are designed to detect a range of low frequency signals like hitting, tapping, scratching or moaning sounds made by the victims trapped in the rubble of houses and other structures.





The defence research and development organization (DRDO) has launched multi-repellent wipes that will be available to the public at large, with India’s trajectory of malaria, dengue and chikungunya epidemics on the rise





Princeton University Engineers have developed a new larger-sensing technology that may allow soldiers to detect hidden bombs form a distance.





Science and Technology policy

The new Science and Technology policy being formulated by the Tamil Nadu Government has for the first time included Intellectual Property Rights (IPR) as an important component.





Nanolasers for faster microprocessors

Engineers have found a way to grow nanolasers — lasers able to produce beams at nanoscale — directly onto a silicon surface, potentially opening the way to a new class of faster and more efficient microprocessors.



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