Researchers at Cambridge University have found a new way to produce light-emitting diodes (LEDs), which they say can reduce the cost of LED products by as much as 75 percent in five years time. At the basis of the novel ...

Researchers from the Purdue University in Indiana have developed a method that uses an aluminum alloy to extract hydrogen from water. The hydrogen may be used for running fuel cells or internal combustion engines, which in turn could be used ...