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ESA discovers artificial gravity?
As soon as our partner Scott declared in this forum that there isn't
anything new to be discovered, ESA announces this: ------------------------------------------------------------------------------ ESA News http://www.esa.int 23 March 2006 Towards a new test of general relativity? Scientists funded by the European Space Agency have measured the gravitational equivalent of a magnetic field for the first time in a laboratory. Under certain special conditions the effect is much larger than expected from general relativity and could help physicists to make a significant step towards the long-sought-after quantum theory of gravity. 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. However, Martin Tajmar, ARC Seibersdorf Research GmbH, Austria; Clovis de Matos, ESA-HQ, Paris; and colleagues have measured the effect in a laboratory. Their experiment involves a ring of superconducting material rotating up to 6 500 times a minute. Superconductors are special materials that lose all electrical resistance at a certain temperature. Spinning superconductors produce a weak magnetic field, the so-called London moment. The new experiment tests a conjecture by Tajmar and de Matos that explains the difference between high-precision mass measurements of Cooper-pairs (the current carriers in superconductors) and their prediction via quantum theory. They have discovered that this anomaly could be explained by the appearance of a gravitomagnetic field in the spinning superconductor (This effect has been named the Gravitomagnetic London Moment by analogy with its magnetic counterpart). Small acceleration sensors placed at different locations close to the spinning superconductor, which has to be accelerated for the effect to be noticeable, recorded an acceleration field outside the superconductor that appears to be produced by gravitomagnetism. "This experiment is the gravitational analogue of Faraday's electromagnetic induction experiment in 1831. "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. Initially, the researchers were reluctant to believe their own results. "We ran more than 250 experiments, improved the facility over 3 years and discussed the validity of the results for 8 months before making this announcement. Now we are confident about the measurement," says Tajmar, who performed the experiments and hopes that other physicists will conduct their own versions of the experiment in order to verify the findings and rule out a facility induced effect. In parallel to the experimental evaluation of their conjecture, Tajmar and de Matos also looked for a more refined theoretical model of the Gravitomagnetic London Moment. They took their inspiration from superconductivity. The electromagnetic properties of superconductors are explained in quantum theory by assuming that force-carrying particles, known as photons, gain mass. By allowing force-carrying gravitational particles, known as the gravitons, to become heavier, they found that the unexpectedly large gravitomagnetic force could be modelled. "If confirmed, this would be a major breakthrough," says Tajmar, "it opens up a new means of investigating general relativity and it consequences in the quantum world." The results were presented at a one-day conference at ESA's European Space and Technology Research Centre (ESTEC), in the Netherlands, 21 March 2006. Two papers detailing the work are now being considered for publication. The papers can be accessed on-line at the Los Alamos pre-print server using the references: gr-qc/0603033 and gr-qc/0603032. For more detailed information, please contact: Dipl-Ing Dr Martin Tajmar Head of Business Field Space Propulsion ARC Seibersdorf research GmbH A-2444 Seibersdorf Austria Phone: +43 (0)5 05 50 31 42 Fax: +43 (0)5 05 50 33 66 Email: martin.tajmar @ arcs.ac.at Web: http://ilfb.tuwien.ac.at/~tajmar Dr Clovis J. de Matos General Studies Officer European Space Agency ESA-HQ Advanced Concepts and Studies Office - EUI-AC 8-10 Rue Mario Nikis 75738 Paris Cedex 15 France Tel: +33 (0)1 53 69 74 98 Fax: +33 (0)1 53 69 76 51 Email: clovis.de.matos @ esa.int Related links * ESA's General Studies Programme http://www.esa.int/SPECIALS/GSP/index.html * ARC Seibersdorf research GmbH (German) http://www.space-applications.at/ In depth * Possible gravitational anomalies in quantum materials (pdf) http://esamultimedia.esa.int/docs/gs..._Detection.pdf IMAGE CAPTIONS: [Image 1: http://www.esa.int/esaCP/SEM0L6OVGJE_index_1.html] Experiment in ARC Seibersdorf research Overall picture of the experimental apparatus where the Gravitomagnetic London Moment in rotating superconductors has been detected. Credits: ESA [Image 2: http://www.esa.int/esaCP/SEM0L6OVGJE...html#subhead2] Gravitomagnetic induction of gravitational fields An angularly accelerated superconductive ring induces non-Newtonian gravitational fields in its neibourghood. Credits: ESA |
#2
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ESA discovers artificial gravity?
jacob navia wrote:
As soon as our partner Scott declared in this forum that there isn't anything new to be discovered, ESA announces this: ------------------------------------------------------------------------------ ESA News http://www.esa.int 23 March 2006 Towards a new test of general relativity? Scientists funded by the European Space Agency have measured the gravitational equivalent of a magnetic field for the first time in a laboratory. Under certain special conditions the effect is much larger than expected from general relativity and could help physicists to make a significant step towards the long-sought-after quantum theory of gravity. 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. However, Martin Tajmar, ARC Seibersdorf Research GmbH, Austria; Clovis de Matos, ESA-HQ, Paris; and colleagues have measured the effect in a laboratory. Their experiment involves a ring of superconducting material rotating up to 6 500 times a minute. Superconductors are special materials that lose all electrical resistance at a certain temperature. Spinning superconductors produce a weak magnetic field, the so-called London moment. The new experiment tests a conjecture by Tajmar and de Matos that explains the difference between high-precision mass measurements of Cooper-pairs (the current carriers in superconductors) and their prediction via quantum theory. They have discovered that this anomaly could be explained by the appearance of a gravitomagnetic field in the spinning superconductor (This effect has been named the Gravitomagnetic London Moment by analogy with its magnetic counterpart). Small acceleration sensors placed at different locations close to the spinning superconductor, which has to be accelerated for the effect to be noticeable, recorded an acceleration field outside the superconductor that appears to be produced by gravitomagnetism. "This experiment is the gravitational analogue of Faraday's electromagnetic induction experiment in 1831. "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. Initially, the researchers were reluctant to believe their own results. "We ran more than 250 experiments, improved the facility over 3 years and discussed the validity of the results for 8 months before making this announcement. Now we are confident about the measurement," says Tajmar, who performed the experiments and hopes that other physicists will conduct their own versions of the experiment in order to verify the findings and rule out a facility induced effect. In parallel to the experimental evaluation of their conjecture, Tajmar and de Matos also looked for a more refined theoretical model of the Gravitomagnetic London Moment. They took their inspiration from superconductivity. The electromagnetic properties of superconductors are explained in quantum theory by assuming that force-carrying particles, known as photons, gain mass. By allowing force-carrying gravitational particles, known as the gravitons, to become heavier, they found that the unexpectedly large gravitomagnetic force could be modelled. "If confirmed, this would be a major breakthrough," says Tajmar, "it opens up a new means of investigating general relativity and it consequences in the quantum world." The results were presented at a one-day conference at ESA's European Space and Technology Research Centre (ESTEC), in the Netherlands, 21 March 2006. Two papers detailing the work are now being considered for publication. The papers can be accessed on-line at the Los Alamos pre-print server using the references: gr-qc/0603033 and gr-qc/0603032. For more detailed information, please contact: Dipl-Ing Dr Martin Tajmar Head of Business Field Space Propulsion ARC Seibersdorf research GmbH A-2444 Seibersdorf Austria Phone: +43 (0)5 05 50 31 42 Fax: +43 (0)5 05 50 33 66 Email: martin.tajmar @ arcs.ac.at Web: http://ilfb.tuwien.ac.at/~tajmar Dr Clovis J. de Matos General Studies Officer European Space Agency ESA-HQ Advanced Concepts and Studies Office - EUI-AC 8-10 Rue Mario Nikis 75738 Paris Cedex 15 France Tel: +33 (0)1 53 69 74 98 Fax: +33 (0)1 53 69 76 51 Email: clovis.de.matos @ esa.int Related links * ESA's General Studies Programme http://www.esa.int/SPECIALS/GSP/index.html * ARC Seibersdorf research GmbH (German) http://www.space-applications.at/ In depth * Possible gravitational anomalies in quantum materials (pdf) http://esamultimedia.esa.int/docs/gs..._Detection.pdf IMAGE CAPTIONS: [Image 1: http://www.esa.int/esaCP/SEM0L6OVGJE_index_1.html] Experiment in ARC Seibersdorf research Overall picture of the experimental apparatus where the Gravitomagnetic London Moment in rotating superconductors has been detected. Credits: ESA [Image 2: http://www.esa.int/esaCP/SEM0L6OVGJE...html#subhead2] Gravitomagnetic induction of gravitational fields An angularly accelerated superconductive ring induces non-Newtonian gravitational fields in its neibourghood. Credits: ESA Bonjour M. Navia, Fascinating, fascinante. A gravitometric field is formed in a spinning superconductor armature and that is called the "Gravitomagnetic London Moment." That would "have nmerous applications" indeed. Is that all that Russian scientist has been trying to pawn off for the past decade? The USAF also has some experiments in this sector, ripe for tech transfer. Maybe they can power it with "cold fusion". It's a little early for "April Fool's" jokes. Ciao, Ross F. |
#3
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ESA discovers artificial gravity?
On Fri, 24 Mar 2006 21:12:40 +0100, jacob navia
quoted, in part: Scientists funded by the European Space Agency have measured the gravitational equivalent of a magnetic field for the first time in a laboratory. It should be noted that this actually meant that they discovered the gravitational *analogue* of a magnetic field. It does not mean that they found that an electromagnet can also be used to produce artificial gravity; instead, it means that moving massive objects can produce a new kind of field. Of course, the fact that the measured effect is hundreds of thousands of times stronger than expected from General Relativity means that experimental error of some kind - electromagnetic leakage, mechanical vibration - is something to be strongly suspected. If the experiment can be repeated, and this possibility eliminated, the results will indeed open up a 'new domain' of science and technology as stated. John Savard http://www.quadibloc.com/index.html _________________________________________ Usenet Zone Free Binaries Usenet Server More than 140,000 groups Unlimited download http://www.usenetzone.com to open account |
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