Breakthrough Propulsion Research

Field Equations and Lagrangian for the Kaluza Metric, Evaluated with Tensor Algebra Software (2014). Original research article published in the Journal of Gravitation, providing the first English-language exposition of the full field equations of the 5D Kaluza theory, using a tensor algebra package, xTensor. The xTensor algebra file is here (Mathematica .nb file compressed with gzip)

Presentation to STAIF 2 Conference, Albuquerque, NM, 19 April 2014, on 5-dimensional relativity

Back to the Future: Rise of the Scalar Field and its Implications for Interstellar Travel, presentation to Icarus Interstellar Starship Congress, Dallas, TX, 18 August 2013. Watch the video on the Icarus Youtube channel here. An extended paper based on the presentation was published by the Journal of the British Interplanetary Socieity, v68, March/April 2015.

Paper and slides presented to AIAA Joint Propulsion Conference, Atlanta, GA, 30 July 2012, on electromagnetic control of spacetime and gravity.

Electromagnetic Control of Spacetime and Gravity: The Hard Problem of Interstellar Travel (2012). Review article published in The Astronomical Review.

Variation of the Gravitational Constant in the Radiation-Dominated Universe (2011). Original research article published in Physics Research International 

Review of Brandenburg's equation for the gravitational constant (2009) in terms of the electron mass, the proton mass, and the fine structure constant.

Paper and slides presented to Space, Propulsion, and Energy Sciences International Forum,  Huntsville, AL, 26 February 2009, on five-dimensional relativity as a viable framework for breakthrough propulsion.  Paper errata.

NASA Breakthrough Propulsion Physics report

NASA Report on the Challenge to Create the Space Drive