Ashok Jhunjhunwala, professor, Indian Institute of Technology, Chennai, is the man behind the wireless local loop technology cor dect and the TeNeT Telecommunications and Computer Networks group.
The paper reports the studies on evaluation of energy indices of domestic refrigerators of 165 L capacity in India. The specific energy consumption varies between 3.23 and 4.19 kWh/y/L for single door manual defrost units and between 3.84 and 4.78 kWh/y/L for double door auto defrost units. The major technical areas in a modernization programme are the use of alternatives to HCFC 22, the introduction of more efficient controls and better insulation.
Researchers at the Hungarian Academy of Science, Hungary, have built devices, which extract energy from beams of light just like a windmill extracts energy from the wind. They have built an optical