Lasers Could Help Deflect Danger From Lightning Strikes

A test of giant lasers shot from a mountaintop in Switzerland is helping scientists develop ways to guide lightning. It could be a first step in defending against dangerous strikes that lead to death and destruction. WSJ science reporter Aylin Woodward joins host Zoe Thomas to explain how the tech works and when it could be ready for wider use. Learn more about your ad choices. Visit megaphone.fm/adchoices