Yes, they could be time machines because we haven't proven them to be anything definite yet.
There isn't a specific time, it is at random.
UFOs have been reported in virtually all of the states at one time or another.
It's been said that there have been UFOs and extraterrestrails since the beginning of time. Early visitors that helped build monuments, and basically start civilization. Since there have been people to see them, there have been UFOs.
it just amazes me how smart some people are...
are time machines real
Sewing machines were invented so that people could sew much quicker than sewing by hand, and more goods could be produced in a shorter period of time.
Time Machines was created in 1926-01.
People are developing new machines all the time. Sometimes they do things that earlier machines could not do, or they may do the same things but with greater efficiency, greater speed, less cost, and so forth. We always try to make our machines better.
He believed that, in theory it could be possible to travel backward in time, but he did not make a machine to conduct time travel
He became an engineer and as time went by, no one could not vision the machines he did.
1. UFOs are Unidentified - the observer does not know what it is.2. UFOs are flying objects - usually unidentified aircraft, weather conditions, reflections, and so forth.3. Airports refer to flying objects as Unidentified when they show up on their radars, but they do not know what the objects are. Close to 100% turn out to be aircraft that have blundered into somewhere that they should not be, or are strange thunderstorm formations.4. UFOs are not from outside the Earth.5. UFOs have absolutely no aliens in them.1. they fly2. UFO stands for unidentified flying object3. they are from outerspace.4. they aren't necessary like space ships from other planets5. I LOVE THEM
Until a time when the great city is discovered, we will never know.