The question is a real tough one to crack, but given the advances in physics and science much research is underway to built a UFO and the basic strategies pursued could be one or many incorporated of the following:
1)Electro-gravitic propulsion
2)Plasma propulsion
3)Magneto-hydrodynamic propulsion
4)Fusion propulsion
5)Inertial propulsion
You put the rod in the UFO and
Supposedly the government has several alien crafts and they have used reverse technology to figure out how they work. But unless the government wants to tell us we may never know for sure. The major point with any alien spacecraft seems to be that aliens seem to be able to manipulate gravity. This is what we are lacking, to be able to travel great distances.
String. I bought it and returned it as it is a 100% waste of money.
has reaally thin string called kevlar look it up
a UFO See http://grammar.ccc.commnet.edu/grammar/abbreviations.htm (all the way to the bottom) for help determining when to use a or an before an abbreviation.
They usually see UFO's at a UFO sighting
Ufo's do exist because a Ufo is a thing in the sky that you can not explain.
movies that have UFO's in them i guess
It is unknown what is inside of a UFO.
The 'F' in UFO stands for "Flying". UFO is an acronym for Unidentified Flying Object.
Alien+rocket=UFO
Air +metal= ufo