Everyone has heard of lasers, but hardly anyone outside of a physics lab or a science fiction novel has heard of a maser. Despite the fact that it was the precursor of the laser, the maser has been something of a technological backwater because masers are difficult to build and expensive to operate. That, however, may be changing. In the August 16 issue of Nature, a team of scientists from Britain’s National Physics Laboratory and Imperial College, London led by Dr. Mark Oxborrow report that they have created the first solid state maser that operates at room temperature, paving the way toward the widespread practical application of the technology.
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