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paranormal78
I recently read about an experiment done in a lab in London UK on gravitoelectromagnetism (mouthful I know) in hopes of achieving artificial gravity for long term space travel. I'm not talking about the annoying impractical way of generating gravity by rotation, but gravity we see commonly like in star trek and other works of science fiction. One of the main reasons we haven't been to mars yet is because of the effects of weightlessness on the human body. The reason There hasn't been any actual achievements in space missions in creating artificial gravity is because they just don't take it seriously on most missions and ignore it as science fiction and never bothered to test any platforms for generating artificial gravity in a weightlessness environment. Artificial gravity would make manned space flight far less challenging and much more safer. Anyone else truly believe artificial gravity is possible for space travel or know of any other serious experiments being conducted on artificial gravity?edit on 13-3-2014 by paranormal78 because: (no reason given)
nope. you can do it with a small mass. mass is not the only determiner of the magnitude of gravity in relativity. plus relativity predicts a coupling of gravity to electromagnetism.
FinalCountdown
reply to post by paranormal78
yeah you need to create something that has as much mass as our planet but fits under the floorboards of the space ship.
That'll do the trick
Just as a moving electrical charge creates a magnetic field, so a moving mass generates a gravitomagnetic field. According to Einstein's Theory of General Relativity, the effect is virtually negligible.
FinalCountdown
reply to post by paranormal78
yeah you need to create something that has as much mass as our planet but fits under the floorboards of the space ship.
That'll do the trick
It demonstrates that a superconductive gyroscope is capable of generating a powerful gravitomagnetic field, and is therefore the gravitational counterpart of the magnetic coil. Depending on further confirmation, this effect could form the basis for a new technological domain, which would have numerous applications in space and other high-tech sectors" says de Matos. Although just 100 millionths of the acceleration due to the Earth's gravitational field, the measured field is a surprising one hundred million trillion times larger than Einstein's General Relativity predicts.
than Einstein's General Relativity predicts.
this does work for short trips. but you do not want this for interstellar trips. at 1 g you can only maintain acceleration for a year because 1 g for i year gets your craft to just below light speed. if your trip is more than two years and all of them would be you then have a years long coast phase in which your astronauts turn into wet floppy noodles that will die if they ever get in a gravity environment again let alone thier bones turn to chalk powder.
bobs_uruncle
reply to post by paranormal78
Why not use a 1g acceleration inertial propulsion engine? On the first half of the trip to Mars, have the floor pointing towards the Earth. On the second half during 1g deceleration, have the floor pointing towards Mars.
Seems simple enough, no extra mass, no weird technology, just acceleration and deceleration.
Cheers - Dave
stormbringer1701
this does work for short trips. but you do not want this for interstellar trips. at 1 g you can only maintain acceleration for a year. if your trip is more than two years and all of them would be you then have a years long coast phase in which your astronauts turn into wet floppy noodles that will die if they ever get in a gravity environment again let alone thier bones turn to chalk powder.
bobs_uruncle
reply to post by paranormal78
Why not use a 1g acceleration inertial propulsion engine? On the first half of the trip to Mars, have the floor pointing towards the Earth. On the second half during 1g deceleration, have the floor pointing towards Mars.
Seems simple enough, no extra mass, no weird technology, just acceleration and deceleration.
Cheers - Dave
bobs_uruncle
stormbringer1701
this does work for short trips. but you do not want this for interstellar trips. at 1 g you can only maintain acceleration for a year. if your trip is more than two years and all of them would be you then have a years long coast phase in which your astronauts turn into wet floppy noodles that will die if they ever get in a gravity environment again let alone thier bones turn to chalk powder.
bobs_uruncle
reply to post by paranormal78
Why not use a 1g acceleration inertial propulsion engine? On the first half of the trip to Mars, have the floor pointing towards the Earth. On the second half during 1g deceleration, have the floor pointing towards Mars.
Seems simple enough, no extra mass, no weird technology, just acceleration and deceleration.
Cheers - Dave
You know you could use cyclic acceleration and deceleration while flipping floor orientation. Plus, if you were traveling at 99.9% of the speed of light, there could be some very strange temporal anomalies that none of us have accounted for just yet.
Cheers - Dave
stormbringer1701
bobs_uruncle
stormbringer1701
this does work for short trips. but you do not want this for interstellar trips. at 1 g you can only maintain acceleration for a year. if your trip is more than two years and all of them would be you then have a years long coast phase in which your astronauts turn into wet floppy noodles that will die if they ever get in a gravity environment again let alone thier bones turn to chalk powder.
bobs_uruncle
reply to post by paranormal78
Why not use a 1g acceleration inertial propulsion engine? On the first half of the trip to Mars, have the floor pointing towards the Earth. On the second half during 1g deceleration, have the floor pointing towards Mars.
Seems simple enough, no extra mass, no weird technology, just acceleration and deceleration.
Cheers - Dave
You know you could use cyclic acceleration and deceleration while flipping floor orientation. Plus, if you were traveling at 99.9% of the speed of light, there could be some very strange temporal anomalies that none of us have accounted for just yet.
Cheers - Dave
in theory you could but fuel is a limiting factor and there is the question of tidal stresses when you begin the flipping maneuver. plus it appears that electronic gravity may be possible. on top of that electronic gravity would allow inertial dampening and therefore could allow FTL.
the equivalence principle states that among other such relations gravity and inertia are interchangeable.edit on 13-3-2014 by stormbringer1701 because: (no reason given)
i agree we could easily do this in solar system and perhaps even out to Tau. (Tau is a proposed mission into the interstellar medium but not crossing it or going far into the Oort cloud.)
bobs_uruncle
stormbringer1701
bobs_uruncle
stormbringer1701
this does work for short trips. but you do not want this for interstellar trips. at 1 g you can only maintain acceleration for a year. if your trip is more than two years and all of them would be you then have a years long coast phase in which your astronauts turn into wet floppy noodles that will die if they ever get in a gravity environment again let alone thier bones turn to chalk powder.
bobs_uruncle
reply to post by paranormal78
Why not use a 1g acceleration inertial propulsion engine? On the first half of the trip to Mars, have the floor pointing towards the Earth. On the second half during 1g deceleration, have the floor pointing towards Mars.
Seems simple enough, no extra mass, no weird technology, just acceleration and deceleration.
Cheers - Dave
You know you could use cyclic acceleration and deceleration while flipping floor orientation. Plus, if you were traveling at 99.9% of the speed of light, there could be some very strange temporal anomalies that none of us have accounted for just yet.
Cheers - Dave
in theory you could but fuel is a limiting factor and there is the question of tidal stresses when you begin the flipping maneuver. plus it appears that electronic gravity may be possible. on top of that electronic gravity would allow inertial dampening and therefore could allow FTL.
the equivalence principle states that among other such relations gravity and inertia are interchangeable.edit on 13-3-2014 by stormbringer1701 because: (no reason given)
What fuel? You could use a slo-poke reactor to run this thing. The trip to Mars is about 13 days at 143 million miles. Directed force is not that hard to achieve in a box, if I had a machine shop I would make one myself, just like I machined all the parts myself at Durham College over about an 8 week period for my adiabatic reactor ;-)
This is not a terribly complicated solution. We have the inertial engine technology up to a few g's, we have small form nuclear reactor technology, we have tin-can-in-space-with-environmental-controls technology. What more is there except the will to "git 'er done?"
Cheers - Dave
that led to about the funniest quote i have ever seen in a scientific paper:
bigfatfurrytexan
For serious research by the most serious researchers, google "high frequency gravitational waves". We sent our best/brightest to China to do the research. Not sure if anyting still resides on the web about it or not, but I talked about it in prior threads.
I wouldn't expect a lot of news about any breakthroughs. It would be of the highest order of national security.
This is a long time. Since a year is 3·10^7 s, and the age of the universe is
less than 10^18 s, one would either have to wait 106 ages of the universe (beyond
the funding horizon of any federal agency) or replicate the experiment some
10^17-fold to obtain one photon per year.
bigfatfurrytexan
reply to post by stormbringer1701
i didn't spend a lot of time looking at that paper, since i just woke at 2am. But i want to note that they reference Dr. Li in that report.
I wrote a thread on Ning Li once. She has been missing for about 10 years. i am not gonna start that again....but its interesting to find her referenced with Dr. Baker.
On a related note....that is a paper written by people not involved. Admittedly i haven't kept up with the project....but I would rather hear from Baker or Puthoff on the matter.
A small chunk of "neutron-degenerate matter" from a neutron star has as much mass as our planet and might fit under the floorboards of the space ship if it was big enough, if you could extract it from the neutron star and keep it in the neutron state, but those are some big ifs.
FinalCountdown
yeah you need to create something that has as much mass as our planet but fits under the floorboards of the space ship.
That'll do the trick
So how many sugar cubes will fit under the spaceship floorboards?
Just a sugar cube of neutron star matter would weigh about one hundred million tons on Earth.
Podkletnov claimed to be decreasing gravity. To create "artificial gravity" you'd need to do the opposite.
stormbringer1701
NASA's attempt to replicate podkletnov were pathetic.