How lasers can shoot us to the stars
As a scientist who has researched the laser technology for Breakthrough Starshot, I agree that Starshot is a difficult endeavor, but I am more optimistic.
Getting there will be only half the fun. Be sure to read Senior Editor Gail Overton's blog:
Aliens and photonics--the truth is out there
Or for more about travel prospects and lasers in space, read the report from the International Symposium on High Power Laser Ablation and Directed Energy, by the symposium chair, Claude Phipps:
Laser ablation and directed energy meet in New Mexico
Editor in Chief
Laser Focus World