Text Size
Facebook Twitter More...
James has either forgotten or is not aware of Ray Chiao's very similar proposal on gravity amplification in superconductors (though without the metamaterial factor).

re:  Guv(induced space-time warp) ~ [(index of refraction)^4G/c^4]Tuv(applied electromagnetic field stress-energy density)

n < 0  meta-material

|n| >> 1 superconductor

James Woodward wrote:

"On the contrary, I get exactly what you are up to with your speculative idea.  It is predicated on the assumption that the electromagnetic index of refraction is the determinant of the stiffness of spacetime."

Jack: Yes.

James: This, of course, is not correct.

Jack: I am of course aware, that my premise may be false. However, you cannot say a-priori it is wrong.  It's entirely an empirical question. Also, if it's wrong, there is no other way to make a low-power warp drive.

James: The electromagnetic index of refraction has nothing to do with the stiffness of spacetime. It is a measure of the
propagation characteristics of EM waves in material media in FLAT spacetime.

Jack: This is a false argument in my opinion.  First, the permittivity of free space, vacuum impedance, is mostly from the scattering of real photons off virtual electron positron pairs in the vacuum.  Similarly, the permittivity of materials is from the scattering of real photons off real electrons & ions etc. However, the equivalence principle demands that both real and virtual particles have direct gravity effects. Also, curvature is a Red Herring, since space-time is locally flat and the index of refraction is clearly definable even when spacetime is curved. For example, simply take the 2nd rank electromagnetic response tensor in a LIF and multiply it by the tetrad components appropriate to the desired LNIF, e.g. a static LNIF in the simplest SSS problem where

gtt = - 1/grr = 1 - rs/r 

James: So putting a small amount of energy -- as you propose -- into a metamaterial with a large negative index of refraction -- even if the energy density of the field becomes negative by virtue of being in the metamaterial (which it almost certainly doesn't) -- will not produce the spacetime warps needed for wormholes, warp drives, and stargates.

Jack: There is no way to know this without actually doing the experiment.

James: There are decades of orders of magnitude more negative energy needed to do this, and a small amount of energy doesn't get transformed in to the large amount of energy needed simply by the passive action of a metamaterial.

Jack: I repeat: There is no way to know this without actually doing the experiment.

James: This does not mean that it is impossible to engineer wormholes and stargates. I just means that it almost certainly can't be done on the cheap in the way you propose.

Jack: So, what do you propose as an alternative?

Category: MyBlog

Categories ...

't Hooft 100 Year Star Ship Abner Shimony accelerometers action-reaction principle Aephraim Sternberg Alan Turing Albert Einstein Alpha Magnetic Spectrometer American Institute of Physics Andrija Puharich Anthony Valentin Anton Zeilinger Antony Valentini anyon Apple Computer Artificial Intelligence Asher Peres Back From The Future Basil Hiley Bell's theorem Ben Affleck Ben Libet Bernard Carr Bill Clinton black body radiation Black Hole black hole firewall black hole information paradox black holes Bohm brain waves Brian Josephson Broadwell Cambridge University Carnot Heat Engine Central Intelligence Agency CIA Clive Prince closed time like curves coherent quantum state Consciousness conservation laws Cosmic Landscape Cosmological Constant cosmology CTC cyber-bullying Dancing Wu Li Masters Dark Energy Dark Matter DARPA Daryl Bem David Bohm David Deutsch David Gross David Kaiser David Neyland David Tong de Sitter horizon Dean Radin Deepak Chopra delayed choice Demetrios A. Kalamidas Demetrios Kalamidas Dennis Sciama Destiny Matrix Dick Bierman Doppler radars E8 group Einstein's curved spacetime gravity Einstein's happiest thought electromagnetism Eli Cartan EMP Nuclear Attack entanglement signals ER=EPR Eric Davis Ernst Mach ET Eternal Chaotic Inflation evaporating black holes Facebook Faster-Than-Light Signals? fictitious force firewall paradox flying saucers FQXi Frank Tipler Frank Wilczek Fred Alan Wolf Free Will G.'t Hooft Garrett Moddel Gary Zukav gauge theory general relativity Geometrodynamics Gerard 't Hooft Giancarlo Ghirardi God Goldstone theorem gravimagnetism gravity Gravity - the movie gravity gradiometers gravity tetrads Gravity Waves Gregory Corso gyroscopes hacking quantum cryptographs Hagen Kleinert Hal Puthoff Hawking radiation Heisenberg Henry Stapp Herbert Gold Higgs boson Higgs field hologram universe Horizon How the Hippies Saved Physics I.J. Good ICBMs Igor Novikov inertial forces inertial navigation Inquisition Internet Iphone Iran Isaac Newton Israel Jack Sarfatti Jacques Vallee James F. Woodward James Woodward JASON Dept of Defense Jeffrey Bub Jesse Ventura Jim Woodward John Archibald Wheeler John Baez John Cramer John S. Bell Ken Peacock Kip Thorne Kornel Lanczos La Boheme Laputa Large Hadron Collider Lenny Susskind Leonard Susskind Levi-Civita connection LHC CERN libel Louis de Broglie Lubos Motl LUX Lynn Picknett M-Theory Mach's Principle Mae Jemison Making Starships and Star Gates Martin Rees Mathematical Mind MATRIX Matter-AntiMatter Asymmetry Max Tegmark Menas Kafatos Michael Persinger Michael Towler microtubules Milky way MIT MOSSAD multiverse NASA Nick Bostrum Nick Herbert Nobel Prize nonlocality Obama organized-stalking Origin of Inertia P. A. M. Dirac P.K.Dick P.W. Anderson Paranormal parapsychology Paul Werbos Perimeter Institute Petraeus Physical Review Letters Physics Today Post-Quantum Physics pre-Big Bang precognition presponse PSI WARS Psychic Repression qualia Quantum Chromodynamics quantum computers quantum entanglement quantum field theory quantum gravity Quantum Information Theory Quantum Theory RAF Spitfires Ray Chiao Red Chinese Remote Viewing retrocausality Reviews of Modern Physics Richard Feynman Richard P. Feynman Rindler effect Robert Anton Wilson Robert Bigelow Roger Penrose rotating black holes Roy Glauber Rupert Sheldrake Russell Targ Ruth Elinor Kastner S-Matrix Sagnac effect Sam Ting Sanford Underground Research Facility Sarfatti Lectures in Physics Scientific American Second Law of Thermodynamics Seth Lloyd signal nonlocality Skinwalker Ranch social networks space drive space-time crystal SPECTRA - UFO COMPUTER spontaneous broken symmetry SRI Remote Viewing Experiments Stanford Physics Stanford Research Institute Star Gate Star Ship Star Trek Q Stargate Starship Stephen Hawking Steven Weinberg stretched membrane string theory strong force gluons Stuart Hameroff superconducting meta-material supersymmetry symmetries telepathy Templeton The Guardian Thought Police time crystal time travel topological computers Topological Computing torsion UFO Unitarity unitary S-Matrix false? Unruh effect Uri Geller VALIS virtual particle Virtual Reality Warp Drive weak force Wheeler-Feynman WIMP WMAP WMD world crystal lattice wormhole Yakir Aharonov Yuri Milner