Washington, June 20 : The invention of a new type of solar energy collector, which concentrates the sun into a beam that could melt steel, could revolutionize global energy production.
Paris, June 20 : A space radar originally developed to investigate the soil structure on the Moon and other planets on ESA (European Space Agency) planetary missions, is now being used in Canadian
Washington, June 20 : By analyzing elements in ancient mineral crystals, scientists have suggested that suggests liquid water existed on Earth as long as 4.3 billion years ago, 100 million years ea