North Americans have literally had to face some very rough weather this year After having dealt with a sweltering summer with sky rocketing temperatures, they have just rubbed shoulder with the blizzard of the century! What could be the culprit behind t
All disasters, natural or human-made, have one thing in common; their capacity to maim, cause unmentionable misery, and loss of property and lives. But there is a twist in the tale. The World
WHILE resource- and consumption-intensive development depresses most environmentalists, their ideas are acquiring popularity in ways little suspected. When a heat wave scorched parts of north and
Unlike the first United Nations conference on climate change, the recently concluded second meet was marked by a desire to give the planet a second chance
Higher temperatures the world over do not just result in rising sea levels. According to a recent report produced by scientists from 50 countries, global warming has endangered even human health
Carbon dioxide, maligned for degrading the atmosphere, also enhances vegetative cover
A Delhi-based scientist has developed a new system to destroy cancerous tumours by using very high frequency sound waves as a heat source. Developed by Ved Ram Singh and colleagues at the National
Fridges to hum on sound waves
Forget solar power, time has come for sound driven machines
Down To Earth conducted a survey among people throughout the country to assess their perceptions of climate change in their respective regions. Some of the responses received
FEARS of ozone layer depletion have inspired research into refrigeration technologies that do not depend on ozone-destroying chemicals and which may even be more efficient than the
NASA scientists have developed a new space based imager with very high resolution which will help foresters, farmers and geologists, and lay the foundation for future land imaging systems
Using that mobile phone might boost your business, but it might fry your brain
Muffling the sound made by a supersonic jet during take off could bring calm to areas where air traffic is high
Using light instead of electrons in circuits
For the first time, scientists beheld the unusual phenomenon of the birth of an island from an undersea volcano in the Pacific ocean off Hawaii
CLEAN UP TIME: Pollutec Operations, Australia, has come up with a technology to extract litter and other solid debris from urban stormwater drains. The process, known as Continuous Deflective
optical fibre has become the mode of choice for electronic data transfer. Transmission losses are much lower than in copper wire, and the speed much faster. A team at Duke University tried something
EGYPTIAN scientists Y I Hanna and M M Kandil of the National Institute for Standards in Cairo have designed and tested a double-layered curtain using local textiles which absorbs sound and light to
The rising trend of murky days in recent years has failed to spur the Indian Meterological Department into action. Quite clearly, the need of the hour is to embark on a major programme to demystify the fog
