Steps Taken

“When you reach the top, keep climbing”

~ Zen proverb


[Note: More entries pending ~ Admin]






  • Tau Zero submits proposal for DARPA’s 100 Year Starship Organization solicitation.
  • Claudio Maccone, “The Living Drake Equation Of The Tau Zero Foundation”, Acta Astronautica, Volume 68, Issues 5-6, (2011), pp. 582-590.
  • Claudio Maccone, “A Mathematical Model for Evolution and SETI.” Origins of Life and Evolution of Biospheres Volume 41, Number 6, pp. 609-619. (2011).
  • Claudio Maccone, “A new belt beyond Kuiper’s: A belt of focal spheres between 550 and 17,000 AU for SETI and science.” Acta Astronautica Volume 69, Issues 11–12, (December 2011), pp. 939–948.
  • Claudio Maccone, “Interstellar radio links enhanced by exploiting the Sun as a Gravitational Lens.” Acta Astronautica Volume 68, Issues 1–2, January–February 2011, pp. 76–84.
  • Claudio Maccone, “Focusing the Galactic Internet.” Searching for Extraterrestrial Intelligence. The Frontiers Collection, 2011, Part 3, 325-349 (2011).
  • Claudio Maccone, “SETI and SEH (Statistical Equation for Habitables).” Acta Astronautica Volume 68, Issues 1–2, January–February 2011, pp. 63–75.
  • Les Johnson, “Status of solar sail technology within NASA.” Advances in Space Research Volume 48, Issue 11, 1 December 2011, pp. 1687–1694.
  • Les Johnson, “NanoSail-D: A solar sail demonstration mission.” Acta Astronautica Volume 68, Issues 5–6, March–April 2011, pp. 571–575.
  • Michael R. LaPointe, “Overview of the NASA Advanced In-Space Propulsion Project.” JANNAF 8th Modeling and Simulation Subcommittee Meeting; JANNAF 6th Liquid Propulsion Subcommittee Meeting; JANNAF 5th Spacecraft Propulsion Subcommittee Meeting; 5-9 Dec. 2011.
  • Michael R. LaPointe, “MW-Class Electric Propulsion System Designs for Mars Cargo Transport.” AIAA SPACE 2011 Conference and Exposition; 27-29 Sep. 2011.
  • The [New York] Times and the Starship, Paul Gilster on August 19, 2011.
  • Poul Anderson, “Call Me Joe” is now available for Kindle (sold on Amazon). [Background,: Working with Kelly Freas's widow, Laura Brodian, Karen Anderson (Poul's widow) prepared the Kindle edition. Martin Tays created the cover illustration that copies the look of the original magazine cover's appearance, and all four black and white interior illustrations are included.
  • M. Ibison, G. Hathaway, “SETI by Entanglement” Journal of Cosmology vol 14, 2011
  • G. Hathaway, M. Ibison, “SETI by Telepathy” Toward a Science of Consciousness Conference, Stockholm, May 2011 (U. of Arizona)
  • “Electromagnetic Radiation Experiments with Transmitting, Contra-Wound Toroidal Coils.” Physics Procedia Volume 20, 2011, Pages 93–102.
  • G. Hathaway, H. Reiss, “Experimental Considerations in Superconducting Gravity Experiments in Gravity-Superconductors Interaction: Theory and Experiments”, Bentham Science Publishers e-Book, ed. Modanese & Robertson, 2011
  • Marc G. Millis. "After Rockets?" Aviation Week & Space Technology, 173, #38, Oct.24/31, 2011, pp. 76-77.
  • H. E. Puthoff, "Advanced Space Propulsion Based on Vacuum (Spacetime Metric) Engineering," JBIS, Vol. 63, pp.82-89, 2010.
  • Marc G. Millis, Video, TEDx Brussels, Spaceflight After AI & Transhumanism.
  • Marc G. Millis and MSNBC's Alan Boyle on Virtually Speaking Science, an online talk show.
  • Paul Gilster, “Interstellar Flight: Building the Case for Incremental Progress”, Presented by Les Johnson at International Space Development Conference 2011 (Huntsville, AL).
  • "Toward an Interstellar Bibliography" Paul Gilster on February 14, 2011 
  • 100 Year Starship Symposium:
  • In addition, 10 presentations about Project Icarus were given.



  • Jim Benford, Gregory Benford and Dominic Benford, “Searching for Cost-Optimized Interstellar Beacons”. Astrobiology. June 2010, 10(5): 491-498.
  • Greg Bear, Hull Zero Three (Orbit). Science Fiction dealing with issues and consequences of interstellar flight
  • Gerald P. Jackson, “Proposal 986: Medium-Energy Antiproton Physics at Fermilab.” (2010)
  • Back to the Moon (with Travis Taylor). Baen, 2010.
  • Jordan Maclay, “Gedanken experiments with Casimir forces, vacuum energy, and gravity.” Phys Rev A 82, 032106 (2010).
  • Marc G. Millis, "Predictions For Civilian Space Flight Based On Patterns From History," JBIS, Vol. 63, pp. 406-418, 2010.
  • Marc G. Millis, "First Interstellar Missions, Considering Energy and Incessant Obsolescence," JBIS, Vol. 63, pp. 434-443, 201.
  • Marc G. Millis, 2010 Video, TEDx Brussels, “Who will save the world?” Building The First Starships & Saving Earth in the Process.
  • Ed Zampino, "Lorentz Transformations Expressed in Complex and Split-Complex Form," JBIS V.63. #8, pp 282-288, 2010. [This article presents the option of using complex variables on the time dimension as a way of simplifying Lorentz Transformations and offering other perspectives that may prove useful for relativistic flight investigations.]



  • Les Johnson, Paradise Regained: The Regreening of Earth (with Gregory Matloff and C Bangs). Springer, 2009.
  • Michael R. LaPointe, “Propulsive Implications of Photon Momentum in Media.” In Frontiers of Propulsion Science (AIAA, 2009).
  • Paul Gilster, “Interstellar Flight and the Public Imagination”, Presented at Sixth IAA Symposium on Realistic Near-Term Advanced Scientific Space Missions (Aosta, Italy), July 2009.
  • Marc G Millis & Eric Davis (eds) 2009, Frontiers of Propulsion Science.  AIAA.
  • Marc G Millis,  2009 Video, Star Trek’s Warp Drive: Are We There Yet?
  • Robert J. Noble, “Radioisotope Electric Propulsion for Deep Space Sample Return.” SLAC-PUB-13663 (2009).



  • Opened first Tau Zero public website.
  • Jim Benford, Gregory Benford and Dominic Benford, “Messaging with Cost Optimized Interstellar Beacons”.
  • Jim Benford, “Space Applications of High-Power Microwaves,” IEEE Transactions on Plasma Science, Vol. 36, NO. 3 (June, 2008).
  • Jean-Luc Cambier, “An Analytical Model of the Knudsen Layer with Thermal Conduction.”  ICHMT Digital Library Online Vol. 13 (2008).
  • Jean-Luc Cambier, “Numerical Investigation on the Effects of Nozzle Geometry on the Performance of a Pulse Detonation Engine.” ICHMT Digital Library Online Vol. 13 (2008).
  • Robert H. Frisbee, “Recent advances in nuclear powered electric propulsion for space exploration.” Energy Conversion and Management Vol. 49, Issue 3 (2008).
  • Jim Gilland, “Recent advances in nuclear powered electric propulsion for space exploration.” Energy Conversion and Management Volume 49, Issue 3, March 2008, Pages 412–435.
  • Gerald P. Jackson, “New Concepts and Fermilab Facilities for Antimatter Research.” 2008 APS April Meeting and HEDP/HEDLA Meeting (2008).
  • Les Johnson, Solar Sails: A Novel Approach to Interplanetary Travel) with Giovanni Vulpetti and Gregory Matloff. Springer (2008).



  • Dana Andrews, “Use of Mini-Mag Orion and superconducting coils for near-term interstellar transportation,” Acta Astronautica 61 (2007), pp. 450-458.
  • Gregory Matloff, “Living Off the Land in Space: Green Roads to the Cosmos”, with Les Johnson, and C Bangs. Springer/Praxis Books, (2007).
  • Paul Gilster, “Closing Remarks: A Charter for Interstellar Studies”, New Trends In Astrodynamics and Applications III. AIP Conference Proceedings, Volume 886, (2007), pp. 204-206.



  • Incorporated Tau Zero Foundation.
  • Jean-Luc Cambier, “A Model of Ablative Capillary Discharge.” Annals of the Assembly for International Heat Transfer Conference 13 (2006).
  • H. Reiss, G. Hathaway, “Minimum Experimental Standards in the Laboratory Search for Gravity Effects”, Space Technology and Applications International Forum (STAIF-06), edited by M. S. El-Genk, American Institute of Physics, Melville, New York, (2006).

Content Contributors

  • Marc Millis