Cheaper and more easy to operate models of solar devices have been developed and these can also be built by the people who use them

Now crops can be dried even during the night with the help of a solar dryer that can store heat in a special rock bed unit. The solar dryer consists of a solar collector, a rock bed heat storage

Soil solarisation offers a natural and eco friendly weapon to farmers for striking at the roots of pests and weeds

Cheap, solar-generated electricity has now become a reality with the successful testing of a prototype solar device at the Weizmann Institute of Science, Israel. It produces sufficient hot air

Martin E Nix, an engineer from Seattle, US, who holds several patents for solar powered inventions, has devised a way of turning old refrigerators into greenhouses. The condenser, compressor and

Scientists from the Council for Scientific and Industrial Research Organisation and Pacific Power, Australia, have produced a synthesis of carbon monoxide and hydrogen by combining methane,

A solar-powered water pasteurising device called Solsaver, designed by John Grandinetti, president of Grand Solar Incorporated of Hawaii, USA, may bring an end to people falling prey to

Scientists working at the Fraunhofer Institute for Building Physics in Germany, have devised an 'intelligent window' which can automatically modulate the amount of sunlight entering a room. Just

Viruses pose a great threat to agriculture. An effective method for controlling the menace is raising plantlets by in vitro propagation in expensive greenhouses which require artificial lighting.

Promoting the cause of solar power against conventional power is the latest Swiss initiative