The laser is one of the technological wonders invented during the past century. It took the genius of Einstein and Kastler, then the competition between many brilliant minds of the time, including Townes, Schawlow, Maiman, and Gould, to emit the first laser beam from a ruby in 1960. Since then, applications have continuously increased in various fields of research, industry, and medicine. But the laser has also been diverted to give a boost to a practice as ancestral as inefficient: acupuncture.
An Advanced Technology