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....the faster something goes....the heavier it gets
True
And part of the weight will be the fuel. The longe the distance and the greater speed the more fuel needed, which will get heavier and require more fuel etc.
I guess if we had a fuel tank the size of Jupiter and a sace ship the size of a base ball it might be possible to get it up to the speed of light but it might take a few hundred years of increasing acceleration to do it.
Yup. WE sure don't have the technology to do this yet.
I don't think the question is phrased correctly.
By TODAY'S technology we cannot understand how UFO's could be real.
We should not forget, though, that there was a time in which the technology of the day made people believe air travel was real. There was even the day in which traveling in a car much over 5 mph would destroy the human body.
Science and civilization progress, and when they do, open up all sorts of new possibilities.
In any case, my point was agreeing that spacecraft travel at or near the speed of light has too many problems.
This is true with our current science. However, I have serious doubts that 250,000 year old apes (us) are the "best" and "smartest" creatures that our 15 billion year old universe has to offer.
Quote:
Originally Posted by NightBazaar
If space in the galaxy was truely empty, then speed of light travel might be possible. It's fine for photons, but a large solid object like a spacecraft isn't a photon.
A solid space craft is much lighter than a photon if that space craft can create its own gravity.
Quote:
Originally Posted by NightBazaar
For a spacecraft traveling at or near light speed, if it doesn't collide with anything such as dust from comets, etc., it would still be bombarded by atoms, ultimately resulting in catastrophic damage.
This gravity-powered space craft will deflect all objects (even atoms). It could also move through air and water (at any speed) without causing any air/water displacement. It's crew members could also make right angle turns without slowing down. They could accelerate/decelerate at any rate because inertia would not be a factor. Remember, gravity accelerates all objects at the same rate (no matter their size, shape, or mass). Therefore, the crew, cups, blood cells (everything) within this craft (and the craft's gravitational field) would move in perfect unison. This fact would explain why many UFO witnesses describe maneuvers that defy our accepted knowledge of flight. The only "problem" such a craft would have is operation within the gravitational field of something else (like a planet). If the pilot doesn't compensate for foreign gravity properly, there could be a very bad crash (this would most likely occur during low flight near a planet's surface).
In other words, we don't have this technology yet. My guess is that our visitors do though. FWIW, many UFOs have been reported to have some how "disappeared" from sight during the sighting. Fast acceleration (faster than our eyes can see) could explain this. Also, a civilization who has mastered the science of gravity could also use their own gravity to bend visible light around their ship (thus making their ship invisible).
My point here is that when we're talking about a possible society that is "more advanced" than us, we really need to expand our level of thinking just a bit. Such a society could have been traveling space for 1,000 years (maybe even a million years). We've been in space for 50 years. Think of it like this. Imagine trying to explain smartphone technology to people from the 1800s (heck, try doing it with folks from the 1930s). Who ever these visitors are, their technology would seem like "magic" to us. It's NOT magic though; it's science that we have not discovered yet. Plain and simple...
This gravity-powered space craft will deflect all objects (even atoms). It could also move through air and water (at any speed) without causing any air/water displacement. It's crew members could also make right angle turns without slowing down. They could accelerate/decelerate at any rate because inertia would not be a factor. Remember, gravity accelerates all objects at the same rate (no matter their size, shape, or mass). Therefore, the crew, cups, blood cells (everything) within this craft (and the craft's gravitational field) would move in perfect unison. This fact would explain why many UFO witnesses describe maneuvers that defy our accepted knowledge of flight. The only "problem" such a craft would have is operation within the gravitational field of something else (like a planet). If the pilot doesn't compensate for foreign gravity properly, there could be a very bad crash (this would most likely occur during low flight near a planet's surface).
"A gravity-powered space craft will deflect all objects (even atoms)."
And this is how you think gravity works?
"If the pilot doesn't compensate for foreign gravity properly..."
Please define "foreign gravity".
Perhaps you'd have more insight if you understood that gravity is an attractive force, not a repulsive force. It doesn't repel or deflect things, it attracts and pulls things in. The greater the mass and density of an object, the stronger its gravitational attraction is.
I honestly don't know. There's no evidence to prove there is, there's no evidence to prove there isn't. It will take something landing on the White House lawn and something walking out to finally prove there is "something out there".
"A gravity-powered space craft will deflect all objects (even atoms)."
And this is how you think gravity works?
"If the pilot doesn't compensate for foreign gravity properly..."
Please define "foreign gravity".
Perhaps you'd have more insight if you understood that gravity is an attractive force, not a repulsive force. It doesn't repel or deflect things, it attracts and pulls things in. The greater the mass and density of an object, the stronger its gravitational attraction is.
The gravitational field is pointed in front of the ship and is directed backwards onto the ship; the ship follows. Turn up the field; the ship follows faster. Point the field to the right, the ship follows right (without slowing down). Turn the field on full power while the ship is at a stand still, and the ship will accelerate at break-neck speeds. Being that gravity is "pulling" (and it is not an engine that is "pushing") the crew (and their blood cells) will not splatter everywhere. Makes sense?
Quote:
Originally Posted by jim9251
I honestly don't know. There's no evidence to prove there is, there's no evidence to prove there isn't. It will take something landing on the White House lawn and something walking out to finally prove there is "something out there".
There's tons of evidence; most are just not aware of it (or aren't willing to accept what has been made public).
I am convinced that extraterrestrial life exists simply because of the size of the Universe and the number of other planets out there, but the "evidence" you refer to is less than compelling.
I am convinced that extraterrestrial life exists simply because of the size of the Universe and the number of other planets out there, but the "evidence" you refer to is less than compelling.
The gravitational field is pointed in front of the ship and is directed backwards onto the ship; the ship follows. Turn up the field; the ship follows faster. Point the field to the right, the ship follows right (without slowing down). Turn the field on full power while the ship is at a stand still, and the ship will accelerate at break-neck speeds. Being that gravity is "pulling" (and it is not an engine that is "pushing") the crew (and their blood cells) will not splatter everywhere. Makes sense?
There's tons of evidence; most are just not aware of it (or aren't willing to accept what has been made public).
You do know that Isaac Asimov's gravitic ships were fiction, right?
You do know that Isaac Asimov's gravitic ships were fiction, right?
Much like the discovery of artificial lightning (aka, electricity) artificial gravity will change our society forever. It is simply amazing what we can do, now that we've learned a few tricks with lightning. Thanks to that particular breakthrough, you (a guy in Canada) is talking with me (a guy in North Carolina) in almost real time; no pony express needed for this conversation. Just imagine how much artificial gravity would do for our society. Everything from our construction industry to our air travel would change for good.
In all honesty, my smartphone and computer that I use for blogging was considered "science fiction" 50 years ago. Don't confuse "fiction" with "what has not been discovered by our current science yet". There is a difference. Chances are, you're typing away on an example of this difference; a device that was "science fiction" back when you were a child. A lot can change in half a century Sans. We did go from the horse and buggy to space flight in only 50 years ya know.
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A lot can change in half a century Sans. We did go from the horse and buggy to space flight in only 50 years ya know.
