Mary Bernal
This is Mark Rober! Enjoy it! This is FAN channel!
Lasers
Daniel Ibarra
Lasers vs Lightning Which Is More Powerful ? #TeamSeas #markrober #markroberhindi @HindiMarkRober | Mark Rober Hindi Subscribe...
Leonard Martin
Ever wondered what’s more powerful – a laser that can slice through steel or a lightning bolt...
Linda Whorton 
Julie Dreher
When it comes to raw power, two forces stand out: lasers and lightning. But which one reigns...
Helen Rodriguez 