Oct. 4, 2018
The laser is a tool of many talents, as the Nobel committee well knows. On Tuesday morning in Stockholm, its members announced the year’s physics prize and rattled off a short list of the technologies it has made possible: barcodes, eye surgery, cancer treatment, welding, cutting materials more precisely than a scalpel. They failed to acknowledge the whimsy it has brought cat owners, although one committee member did mention laser light shows. The laser’s resume keeps growing. Learn more about your ad choices. Visit megaphone.fm/adchoices