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

Heliostats may now trap half the energy from sunlight and convert it into electrical and heat energy

• 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

With developed countries doing little to restrict global warming, a ray of hope comes from the development of favourable technologies

An electrical technique developed at the Pacific Northwest National Labo

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

Electricity can be generated from a creeper plant, as an experiment in Madhya Pradesh has demonstrated

Visible light can be used for the imaging of the human body

Researchers say electricity does not cause leukaemia

Bull power can be used to generate electricity, as an experiment conducted in Gujarat demonstrates

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