Electricity

Chipping Point: Tracking electricity consumption and emissins from AI chip manufacturing

Electricity consumption from the manufacture of artificial intelligence (AI) chips has soared by more than 350 percent worldwide between 2023 and 2024, according to new research from Greenpeace East Asia. In East Asia, the global hub for AI semiconductor production, growing electricity demand from AI chipmaking has been met primarily …

The power of urine

Cow urine, which is used in several ayurvedic medicines, can also generate electricity. Scientists working with the Rajasthan Gosewa Aayog, Jaipur, conducted an experiment at the state secretariat in which electric current was generated from cow urine. About one and a half litre of urine was put in a plastic …

Making of a dam

laos will build a 680- mw hydroelectric dam across the Nam Theun, tributary of the mighty Mekong river. About 450 sq km of land in the Nakai plateau - 40 per cent of the area - will be flooded and between 800-1,000 families will have to be resettled. Located some …

Beat the heat

the Centre has been directed by the Delhi High Court to constitute a committee to explore alternative methods of power generation, including the use of solar energy to solve the problem of generator pollution in Delhi. Two separate public interest petitions seeking a ban on diesel-operated generators had been submitted …

Electric vibes

THE discovery that a DNA molecule can conduct electricity may help in repair of damage caused in the molecule by exposure to the sun. This was tested by attaching a chemical group at one end of the DNA molecule, which is situated some distance away from the chemically damaged part. …

Bullock power

Researchers in Gujarat have harnessed the energy of bullocks to generate electricity for 24 villages in Vadodara district. Under this innovative method, four bullocks are yoked on to a shaft, which rotates as they move around it. The shaft is connected to a gear-box which turns underground shafts, overground freewheels …

Shedding the load

the Union government recently tabled a discussion paper for reducing subsidies. The proposals seek to make considerable savings by making substantial cuts in the cost of goods such as electricity and higher education. The white paper based on a detailed study by the National Institute of Public Finance Policy says …

Danger sensors

Electrical utility transformers that use oil as an insulating barrier between the high and low voltage wire windings often fail because moisture and explosive gases build up in the oil, forming a pathway for a sudden, dangerous electric arc between the windings. Larson-Davis Inc of Provo, Utah, us , have …

Powerful option

One of the principal barriers to providing electricity to low-income households is the high cost of connection and wiring of the house. Also, as power meters are expensive to instal, the users are not able to keep an account of the electricity consumed by them and often end up using …

Moneymakers

green wheels: Greaves Ltd, a New Delhi-based Thapar group company, will be launching eco-friendly petrol and diesel versions of three-wheelers in the coming financial year. The diesel version, known as Greaves Garuda six-seater, will cost around Rs 60,000 per vehicle and will be powered by the Greaves diesel engine. The …

Fired by plants

biomass has moved a key step towards competitiveness with fossil fuels. The McNeil generating station, a biomass power plant in Burlington, us, when completed, will house the world's first gasifier capable of burning biomass for electric power generation. Biomass gasification has the potential to marry the environmental advantages of biomass …

Recycling spree

the European Commission (ec) hopes that soon most cars meant for scrapyards will be reused. Car owners could soon be taking their old cars for recycling with the same ease and community spirit as they take newspapers, bottles and cans. New proposals are expected from Brussels during the next three …

Petty decision

the newly-elected Punjab chief minister Prakash Singh Badal's move to provide free irrigation water and electricity to farmers will only harm the economy and the environment, without helping those it is meant to. Anything that comes cheap is overused or misused. Farmers must learn to use irrigation water effectively or …

Moneymakers

safe disposal: The Thiruvananthapuram-based Peninsula Polymers (Penpol) is breaking new ground in its hospital waste management business which specialises in the disposal of hazardous waste material. It has developed

Fishy detectors

Apternotus albifrons , a fish that continuously emits electricity at a frequency of about 1,000 hertz can be used as a detector of pollutants, say scientists at the International Water Centre in Nancy, France. The electric signals given out by the fish are very stable under normal conditions, but vary …

Getting smart

some day in the near future, airplane wings may flex themselves like fish tails, changing shape to modify, lift or drag by themselves. Bridges and telephone poles could

The better choice

cost effective, energy efficient and non-polluting electric cycle rickshaws invented by Nimbkar Agricultural Research Institute (nari), Maharashtra, could substitute petrol-powered two-wheelers and three-wheelers. At present 18 million two wheelers and 1.5 million three wheelers pollute Indian cities, growing at a rate of 15 per cent per annum. The existing cycle …

Radioactive power

Trees contaminated by radioactivity from the 1986 Chernobyl disaster are to be burnt to produce electricity. Scientists from the us and Belarus are planning to construct a power plant fueled by timber from around the crippled reactor. Larry Baxter, a chemical engineer working in the area claims that more than …

Fewer watts: brighter future

saving electricity with energy-efficient compact fluorescent lamps (cfls) can cost as little as one-tenth of the investment needed to build new power plants that produce the same amount of energy, say scientists at the Lawrence Berkeley National Laboratory (lbnl) in California, us. In the us, where lighting in rural and …

Garbage spark off

An American company has put up a proposal to the West Bengal government for setting up a power plant in Calcutta with a capacity to generate upto 200 mw of electricity daily from garbage and municipal wastes. Calcutta city accumulates 3,000 tonnes of garbage daily and this could provide for …

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