This is a really funny video. The people whom came across this prank react accordingly. It is an appropriate video for this category. I have watched this video many times & I still have a good laugh.
This is a very interesting concept of propulsion. The “Lightcraft” is a laser-propelled spacecraft, flying saucer concept that could ultimately run on other beamed energies, such as microwave. Video includes NASA concept of propelling craft using helium for initial liftoff, then power is supplied by a beam of microwaves