Chinese scientists unveil high-powered laser that can ‘write’ in the air
scmp.comLaser induced plasma can also be used as a speaker system:
https://www.militarytimes.com/news/your-military/2019/07/19/...
Laser induced plasma can also be used as a speaker system:
https://www.militarytimes.com/news/your-military/2019/07/19/...