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 …

Power unlimited

Technological breakthroughs may help reduce the average cost of wave power. British researchers have developed a few techniques that are able generate electricity for under US $1 per kilowatt-hour (kwh). This is the cost below which energy production becomes competitive. Stephen Salter at the University of Edinburgh, UK, has developed …

Power to hospitals

The Supreme Court has sought suggestion to improve the supply of power to the public hospitals in the Capital immediately. In this regard, it has directed the secretary or additional secretary of the Union ministry of power to convene a meeting of the concerned officers of the National Thermal Power …

MONEYMAKERS

managing waste: The Pimpri-Chinchwad Municipal Corporation (PCMC), Pune, plans to set up a 200-tonne per day Municipal Solid Waste treatment plant. The PCMC has proposed to provide 2.8 hectares of land to Biopower & Compost Private Limited, a subsidiary of Global Environmental Engineering (GEE), for constructing the plant. The company …

Making power

incessant of power cuts and days without electricity forced them to develop a power generation system of their own. The people who developed the turbine and generator, are no great engineers, just common people from Pathanpara, a tiny village in Kannur district, Kerala. They have set up a unique and …

Power disruption

Alexander Domijan Jr, a professor at the electrical engineering department of University of Florida, USA, has recently completed his two-year study that monitored the US automobile-giant General Motors' EV1, the first mass-produced, commercial electric car in the US, and its impact on Florida's power company Power & Light's power distribution …

Charged up

Detection of electric charge has now been made simpler with the development of a new nanometer-scale mechanical electrometer. Consisting of three electrodes, a mechanical element which moves in response to the force experienced by the electrodes in the presence of charge and a displacement detector to monitor the motion. Developed …

Electric car

It is smaller, quieter and cleaner than a Maruti. Two prototypes of a 650 kg, 2.63 m, "zero-emission' electric car, Reva, was flagged off in Delhi on March 20 by the Lt Governor of Delhi, Tejinder Khanna and the US ambassador to India, Richard F Celeste. Reva will now test …

Ashes to ashes...

no more ignoring or dismissing fly ash as just an oxide-rich waste product of the thermal power stations. Going by the claims of a recent international conference held in Delhi, India, fly ash can now be used successfully as a raw material for different industries. Since 60 per cent of …

Rediscovering solar energy

A low-cost technique could help convert more than 50 per cent of solar energy into mechanical and electrical energy. Naren Sheth, a Mumbai-based businessperson, has recently developed a solar collector with the help of technologies and skills available in rural India. The device can concentrate nearly 1,200 watts from solar …

Caught in a crossfire

the World Bank's (wb's) keenness to promote an electricity generation project in Laos has come in for flak by non-governmental organisations. The project, slated to sell power to Thailand, is feared to spell doom for Laos' economy. The 681 mw Nam Theun 2 dam project is located on Theun river, …

Hot option

a heliostat is being developed that increases the output of photovoltaic (pv) modules by more than 450 per cent. Colin Johnson and his colleagues at HelioEnergy of Whangarei, New Zealand, have designed the machine that uses a clockwork mechanism to turn a mirror to focus the Sun's light in fixed …

INDIA

• In an attempt to document lead levels in the blood of the people living in Delhi, the Central Pollution Control Board and the All India Institute of Medical Sciences in collaboration with the George Foundation and supported by the Ministry of Science and Technology is launching a project, "Lead …

Technology is the key

the most disturbing spectre on the horizon of environmentalists in the West is the one that they feel most guilty about. They survey the output of greenhouse gases of their own economies and note the evident reluctance of everybody to do anything about it even as summers grow warmer, storms …

Cleaner ground realities

An electrical technique developed at the Pacific Northwest National Laboratory, USA, would help clean contaminated land. In this process, electric current is employed to heat the soil that leads to evaporating the moisture. Thus, volatile contaminants are removed from soil particles. Contaminated steam is then collected above ground and treated. …

Mobile batteries

A scientist in the US envisions that owners of tomorrow's electric cars would not only buy electricity for their vehicles but they could also be able to sell it back. Willett Kempton at the University of Delaware, Newark, usa, believes that these cars could replace many power-generating plants. Electric cars …

Weed energy

rural India provides ideal conditions for tapping various forms of renewable energy such as biogas, solar and wind energy. Biomass gasification is yet to be exploited for rural areas. Now, a new technique for generating electricity from ipomoea (creeping plants) has been developed by Development Alternatives, a ngo based in …

Where light matters

scientists are exploring the possibility of using visible light to gain very clear images of the human body. At present, medical practitioners use diagnostic tools such as magnetic resonance imaging ( mri ), computerised axial tomography ( cat ), positron emission tomography ( pet ) and ultrasonography. With further improvements …

Good vibrations

electromagnetic fields from power lines and appliances do not affect the risk of leukaemia in children, say researchers at the us National Cancer Institute ( nci ) and the University of Minnesota, usa. The study is one of the most comprehensive probes into the links between electromagnetic fields and the …

When bulls light bulbs

the energy of bullocks has been converted into electric power in 24 tribal villages of the Chhota Udepur region of the Vadodra district in Gujarat. The experiment was conceptualised by scientist-industrialist Kantibhai C Shroff and his niece Shrutiben Shroff and sponsored by the Shroff Foundation, an ngo providing health care …

Wind power

Britain's National Wind Power will construct Europe's largest wind farm, Carno, in the Powys region of Wales which will generate forty-per cent of electricity needed for the region. Its 56 turbines can generate up to 33 MW of electricity, enough to cater to the needs of nearly 25,000 homes. Each …

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