TOPSHOT - Gerard Mourou of France, one of the three researchers who won the 2018 Nobel Physics Prize for inventions in the field of laser physics looks on during a press conference at the Ecole Polytechnique on October 2, 2018 in Palaiseau. - Three scientists won the Nobel Physics Prize for inventing optical lasers that have paved the way for advanced precision instruments used in corrective eye surgery and in industry, the jury said. Arthur Ashkin of the United States won one half of the nine million Swedish kronor (about $1.01 million or 870,000 euros) prize, while Gerard Mourou of France and Donna Strickland of Canada shared the other half. (Photo by Philippe LOPEZ / AFP)
