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Thursday, November 06, 2003
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Harnessing polarised light to create quantum memory
The ability to store quantum information is a critical element in the quest to create quantum computers, devices that would vastly outstrip in power and speed any computer now in existence.
Sleep boosts ability to learn language
SCIENTISTS AT the University of Chicago have demonstrated that sleeping has an important and previously unrecognised impact on improving people's ability to learn language. Researchers find that ability of students to retain knowledge about ...
Healing touch of hot pepper
THE WORD Capsaicin does not exactly roll over the tongue easily, but this is especially appropriate since it is the name of the chemical that makes peppers hot and gives a wide variety of other products a real bite. Chemical & Engineering ...
Silicon compatible diode
ENGINEERS HAVE designed a new diode that transmits more electricity than any other device of its kind, and the inspiration for it came from technology that is 40 years old. Unlike other diodes in its class, called tunnel diodes, the new diode ...
Gold nitride: Solving the puzzle
SCIENTISTS HAVE created a new material which could save the electronics industry millions of pounds each year and could also be more effective. Several attempts have been made over the last twenty years to make gold nitride but now a researcher ...
Unravelling lice genome
RESEARCH AIMED at understanding how lice feed off humans may lead to new methods to control the pest that can transmit fatal diseases. In the journal Insect Biochemistry & Molecular Biology, Purdue and Harvard university researchers ...
Detecting fraud with laser-sensitive dyes
WORKING WITH capsules of dye just a few billionths of a metre in diameter, researchers at the University of Toronto and the advanced optical microscopy facility at the Toronto's Princess Margaret Hospital have created a new strategy for ...
QUESTION: When should pruning of mango trees be done to get beneficial results? B.Sudhakar, Denkanikota ANSWER: Mango trees being "shy bearers" respond well to pruning, which will make them "regular bearers". The best ...
QUESTION: Could you kindly provide information on cultivation and marketing of herbal and medicinal plants? B.Ranganathan, Chennai ANSWER: For complete information on herbal farming you may kindly get in touch with VHERDS ...
Imbibing toxic/heavy metals through leafy vegetables
Long term and indiscriminate application of raw sewage effluent to agricultural field without prior treatment which contains heavy metals in association with suspended solids (sludge) particles may cause accumulation of toxic metals in soils (with subsequent transfer to food chain).
Who are we, the people of India?
WHO ARE we? Where did we come from? When did we get here? How many communities are we? How are we all related? These questions have been asked by many groups of people, in many places and at different times. Each group has had its own answers ...
ANTOINE FOURCROY (1755-1809)
From medicine to applications of chemistry
ANTOINE FOURCROY was born on June 15, 1755 in Paris, the son of an apothecary. He did not complete his studies at college but took up a job at the age of 16, as a clerk in the office of the Government Chancellory. There he would have spent his ...
High yielding variety of custard apple
SCIENTISTS AT the Agricultural Research Station (ARS), Aruppukottai in Virudhunagar district of Tamil Nadu have developed a high yielding custard apple (Annona squamosa) with sweet and large fruits. The Tamil Nadu Agricultural University ...
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