Material light
Semiconductors have 2 energy bands -- valence band and conduction band. The valence band is filled with electrons; the conduction band has practically none. The electrical conductivity of a material
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Havoc in harmony
Despite their growing popularity, electric shocks may not be good for epileptics. Electric shocks are known to impose order among the neurons, or nerve cells, but scientists at the
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Showing the way
A UK-based company has developed a lantern which can provide cheap, reliable, ecologically friendly power. The Glowstar lantern, developed by Intermediate Technology Con sul tants, is a
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Power to the environment
India needs to rethink its power generation strategies for the sake of environment
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Reactors renewal
A plan to extend the life of Hungary's only nuclear power plant has sparked protests from environmentalists. The four reactors in the southern town of Paks supply around 40 per cent of Hungary's
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Prayas Energy Group
The word ‘Prayas’ means ‘focused effort’. Prayas is a non-governmental, non-profit organisation based in Pune, India. Members of Prayas are professionals working to protect and promote the public interest
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On World Environment Day, a bike-a-thon calls on Delhi to “Switch on the Sun”
<p>Hundreds of people on 25 stationary bicycles switched on the sun on World Environment Day on June 5 at Dilli Haat in Delhi. Delhites came together and pedalled away to claim their right to sustainable
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Making a comeback
To reduce carbon levels in the atmosphere, various countries turn to windmills for a cheap and easy source of energy
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Ashes to ashes...
...or raw materials for the industries?
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Magnets on your mind?
Experiments show that using magnetic fields can help rewire the brain after injuries
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Against the wind
Government policies and land prices are preventing companies from setting up wind mills in Nagercoil
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Defenders of the earth
Zap! And another pollutant bites the dust
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Energetic dialogues
American industry tries to power its way into the Indian renewable energy market
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Driven to despair
Instead of killing the bollworm, pesticides only push cotton farmers in Andhra Pradesh deep into debt. For some cultivators, suicide was the only way out
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Stunning visually
New LCD screens are all set to revolutionise the visual world
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Cross words
When it comes to industries in Delhi, authorities seem to revel in working at cross purposes
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Catch the wave
Underwater versions of wind turbines could soon make it easy to tap tidal power potential
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Smart gets smarter
Smarter cards are here. And storing data on them is easy as child s play
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MONEYMAKERS
<b>DANISH FIRM IN INDIA: </b>A S Velfrost, a US $200-million Danish freezer and deep freezer manufacturer, is considering India as a possible manufacturing base, its first outside Denmark. According to executives, a deal is being negotiated with Blue Star India for a joint venture. However, the plans have not taken off yet because neither companies have found market conditions encouraging. "We would like to have a production unit with a minimum capacity of one lakh units per annum,' said Ole Miller Jensen, sales director of the Danish firm.
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Taking off on flyash
Worried by rising flyash production in power plant- expected to touch 100 million tonnes today - the department of science and technology(DST) has initiated a project to dispose and utilise flyash.