all publications

BOOKS Authored:

1. Ehrlich, R., Physics and Computers, Houghton Mifflin Company, 1973

2. Ehrlich, R., Waging Nuclear Peace, State University of New York Press, 1985

3. Ehrlich, R., Turning the World Inside Out and 174 Other Simple Physics Demonstrations, Princeton University Press, 1990.

4. Ehrlich, R., The Cosmological Milkshake, Rutgers University Press, 1994

5. Ehrlich, R., Roelofs, L., Stoner, R., and Tuszynski, J. Electricity and Magnetism Simulations, John Wiley and Sons, 1995

6. Ehrlich, R., What If You Could Unscramble an Egg?, Rutgers University Press, 1996

7. Ehrlich, R., Why Toast Lands Jelly Side Down: Zen and the Art of Physics Demonstrations, Princeton University Press, 1997

8. Ehrlich, R., What If? Mind-Boggling Science Questions for Kids, John Wiley & Sons, 1998. 

9. Ehrlich, R., Nine Crazy Ideas in Science: A Few Might Even Be True, Princeton University Press, 2002.

10. Ehrlich, R., Eight Preposterous Propositions: From the Genetics of Homosexuality to the Benefits of Global Warming, Princeton University Press, Fall 2003.

11. Ehrlich, R. & A. Wyczalkowski, Lab Manual for “Physics Matters,” John Wiley & Sons, 2004.

12. Ehrlich, R., Renewable Energy: A First Course, Taylor & Francis, 2013, 2018 (2nd ed. With Harold Geller).

BOOKS Edited:

1. Ehrlich, R., Perspectives on Nuclear War and Peace Education, Greenwood Press, 1987

2. Dworzecka, M., Ehrlich, R. and MacDonald, W., Electricity and Magnetism Simulations,  John Wiley and Sons, 1995

3. Ehrlich, R., MacDonald, W., and Dworzecka, M. Astrophysics Simulations, John Wiley and Sons, 1995

4. MacDonald, W., Dworzecka, M. and Ehrlich, R., Quantum Mechanics Simulations, John Wiley and Sons, 1995

5. Dworzecka, M., Ehrlich, R. and MacDonald, W., Classical Mechanics Simulations, John Wiley and Sons, 1995

6. Ehrlich, R., Dworzecka, M., and MacDonald, W., Nuclear and Particle Physics Simulations, John Wiley and Sons, 1995

7. Ehrlich, R., Dworzecka, M., and MacDonald, W., Waves and Optics Simulations, John Wiley and Sons, 1995

8. Ehrlich, R., Dworzecka, M., and MacDonald, W., Thermal Physics Simulations, John Wiley and Sons, 1995

9. Ehrlich, R., Dworzecka, M., and MacDonald, W., Modern Physics Simulations, John Wiley and Sons, 1995

10. Ehrlich, R., Dworzecka, M., and MacDonald, W., Solid State Physics Simulations, John Wiley and Sons, 1995


1.Ehrlich, R. and Kim, J.K., Experimental Study of Parity Conservation in Lambda Production in Carbon Nuclei Using Incident Pions of 2.0 BeV/c Momentum, Physical Review, 133, B132, (1964)

2.Hagopian, V., Selove, W., Ehrlich,R.,, Leboy, E., Lanza, R., Rahm, D., and Webster, M., Further Search for Fractionally Charged Particles, Physical Review Letters, 13, 280-81, (1964)

3.Ehrlich, R., Selove, W. and Yuta, H., Strange Particle Production in 7.91 BeV/c Pion Proton Interactions, Physical Review,, 152, 1194-98 (1966)

4.Poirier, J.A., Biswas, N.N., Cason, N.M., Derado, I., Kenny, V.P., Yuta, H.,  Selove, W., Ehrlich, R., and Baker, A.L., Reaction p+p -> p+p+n at 8 GeV/c, Physical Review 163, 1462-70 (1967)

5.Chang, C.Y., Yodh, G.B., Ehrlich, R., Plano, R., and Zinchenko, A., Search for Double Beta Decay of K- Meson Physical Review Letters 20, 510-13 (1968)

6.Ehrlich, R., Plano, R.J., and Whittaker, J.B., Observation of a ppp (3755) Enhancement in the Reaction p+p -> p+ ppp at 8.4 BeV/c, Physical Review Letters 20, 686-88 (1968)

7.Ehrlich, R., Nieporent, R., Plano, R.J., Whittaker, J.B., Baltay, C., Feinman, J., Franzini, P., p p p Enhancements in the Reaction pp -> pp p p at 24.8 GeV/c, Physical Review Letters 21, 1839-42 (1968)

8.Mischke, R.E., Devlin, T.J., Ehrlich, R., Johnson, W., Norem, J., Vosburgh, K.,and Schimmerling, W., Direct Measurement n-p and n-d Total Cross Sections from 700 MeV/v to 1900 MeV/c proceedings of the XVth International Conference on High Energy Physics at Kiev, 1970

9.Ehrlich, R., Physical Simulations for an On-line Computer-Controlled Oscilloscope,Computers in Undergraduate Science Education Conference Proceedings, 211-22 (1970)

10.Ehrlich, R., A Physics Course Based on a Set of Problems Solved by Computer, Proceedings of the Second Conference on Computers in Undergraduate Curricula (1971)

11.Ehrlich, R., Film Notes for Relativity: A Series of Computer-Animated Films, Houghton Mifflin Co., (1974)

12.Ehrlich, R., Possible Evidence for the Quantization of Particle Lifetimes, Physical Review D., 13, 50-55 (1976)

13.Ehrlich, R., Hypothesis of Quantized Particle Lifetimes Reexamined and Its  Connection with the Hypothesis of Quantized Time, Physical Review D, 15 929 (1977)

14.Ehrlich, R., Factors Influencing Secondary School Enrollments, The Physics Teacher, 490-94, November (1977)

15.Ehrlich, R., Are There an Elementary Length L0 = 0.66 fm and Elementary Time T0 = 0.66 fm/c Associated with the Strong Interaction?, Physical Review D. 18, 320-25 (1978)

16.Ehrlich, R., Possible Evidence for Neutrino Oscillations in the Brookhaven Solar Neutrino Experiment, Physical Review D, 18, 2323-28 (1978)

17.Ehrlich, R., and Helms, R., A Most Unnatural Rhythm, The Physics Teacher, January (1981)

18.Ehrlich, R., and Black. W.M., Continuing Education: Needs of Physicists and Needs in Physics, Virginia Journal of Science 32, Fall 1981

19.Ehrlich, R., Possible Time Variations in 37CI Solar-Neutrino Data and Neutrino Oscillations, Physical Review D, 25, 2282-86 (1982)

20.Ehrlich, R., We Must Teach About Nuclear War — and How to Avoid It, The Chronicle of Higher Education, May 5, 1982

21.Ehrlich, R., Nuclear War: An Interdisciplinary Course at George Mason University, Journal of College Science Teaching, 336-37, March/April 1983

22.Ehrlich, R., The Link Between Radioactive Fallout and SAT Scores is Nonexistent, Phi Delta Kappan, 729-730, June 1983

23.Ehrlich, R., The Role the Press and Public Play in Nuclear Policy, Journal of Defense and Diplomacy, 2, 38-44, May 1984

24.Ehrlich, R., Air Table Experiments Without an Air Table, The Physics Teacher, 23, 113-16, February 1985

25.Ehrlich, R., Industry Support for Local Physics Education, Journal of College Science Teaching, 230, February 1985

26.Ehrlich, R., Stability of a Pile of Meter Sticks, The Physics Teacher, 23, 489, November 1985

27.Ehrlich, R., Star Wars Spillover?, Journal of Civil Defense, 12-13 February 1986

28.Ehrlich, R., and Schneider, B., Star Wars: SPACE THREATS or LIFE INSURANCE?, Journal of Defense and Diplomacy, 15-20, March 1986

29.Ehrlich, R., Accuracy in Academia: the Chief Thing to Fear Is Our Own Hysterical Reaction, The Chronicle of Higher Education, 32, 96, May 21, 1986

30.Ehrlich, R., We Should Not Overstate the Effects of Nuclear War, International Journal on World Peace, Vol III, No. 3, 31-44, July-September 1986

31.Ehrlich, R., What Price Academic Freedom?, Arizona English Bulletin, 29, 1, 26-31, Fall 1986

32.Ehrlich, R., “The Scientific Community’s Role to Educate on National Security: The Future of Arms Control,” ed: W. Thomas Wander etal, American Association for the Advancement of Science, Washington, DC, 1986, 183-85

33.Ehrlich, R. and Howes, R., Chapters 10-11 in Civil Defense: A Choice of Disasters, John Dowling and Evans Harrell (eds.), American Institute of Physics, New York,  1987, 139-62

34.Ehrlich, R., and Ring, J., Fallout Sheltering: Is It Feasible?, Health Physics, 52, 267-80, March 1987

35.Ehrlich, R., “Is the USSR’s Opposition to SDI Real or a Soviet Disinformation Initiative?,”  Journal of Defense and Diplomacy, September 1987

36.Ehrlich, R., “Nuclear Winter,” in Would the Insects Inherit the Earth?, Jack C. Greene and Daniel J. Strom (eds.), Health Physics Society, Pergamon Professional Publishers, McLean VA, 1988, 21-22

37.Ehrlich, R., “Pitfalls of Final Solutions to the Nuclear Problem,” International Journal on World Peace, Spring 1989, 41-53

38.Ehrlich, R., “Threats to Academia and Society,” in Points of View on American Higher Education, Volume II, Stephen H. Barnes, ed., Edwin Mellen Press, Lewiston, NY, 1990, 119-32

39.Ehrlich, R., “Opposition to Civil Defense,” Journal of civil Defense, February 1990, 12-15

40.Ehrlich, R.,”Three Mechanical Demonstrations of Chaos,” The Physics Teacher, January 1990, 26-9

41.Ehrlich, R., and Orient, J., “The Case for Civil Defense in Nuclear War Education,” Physics and Society, April 1990, 3-4

42.Ehrlich, R., “A Collection of Simple Physics Demonstrations,” The Physics Teacher, October 1990, 492-93

43.Ehrlich, R., “A Project to Develop Computer Software and Supplementary Texts for Nine Upper Level Physics Courses,” Conference Proceedings for the Conference on Computing in the Upper Level Physics Curriculum, Appleton WI, July 1990

44.Ehrlich, R. and Scimecca, J., Offensive Speech on Campus, Educational Record, 72, 26-29, Summer 1991

45.Ehrlich, R., A 100-Student 15-Minute Lab?, The Physics Teacher, December 1991, 586-87

46.Ehrlich, R., Dworzecka, M., and Macdonald, W., Software Consortium Develops Simulations for Nine Physics Courses, Computers in Physics, January/February 1992, 90-96

47.Ehrlich, R., “Cosmic Background Radiation,” American Journal of Physics, 60, (6), June 1992, 565-68

48.Ehrlich, R., and Censer, J., “Creativity Contracts: An Idea Whose Time Shouldn’t Come,” Change, September/October 1992, pp.8,48.

49.Ehrlich, R., Dworzecka, M. Tuszynski, J. and MacDonald, W., “Text Materials to Accompany Simulations for the CUPS Project, Computers in Physics, September/October 1993, 508-18.

50.Ehrlich, R. and Hutchison, M., “Random and Systematic Errors in Timing the Fall of a Coin,”  The Physics Teacher, 32, January 1994, 1-3.

51.Ehrlich, R., “Ruler Physics: 34 Physics Demonstrations with a Plastic Ruler,” American Journal of Physics, 62, (2) February 1994, 111-20.

52.MacDonald, W., Dworzecka, M., Ehrlich, R., and Tuszynski, J., “Authoring on the Internet: The CUPS Series,” Computers in Physics, July/August 1994, 386-89.

53.Ehrlich, R., Ehrlich, E., Dworzecka, M., and Moussa, A. “Physics Education and Gender Roles in Two Arab Countries,”  The Journal of College Science Teaching, September/October 1994, 51-54.

54. Ehrlich, R. and Tuszynski, J., “Motion of a Ball on a Rotating Turntable,” the American Journal of Physics, April, 1995, 351-58.

55. MacDonald, W. M., Dworzecka, M. and Ehrlich, R., “The Cups Series : A Resource and a Challenge for Teaching Advanced Physics,” Conference Proceedings of the Symposium on Science and Engineering in the 21st Century, held at the American University in Cairo, April 9-12, 1995.

56. Ehrlich, R., “Giving a Quiz Every Lecture,”  The Physics Teacher, September 1995, 33, 1-2.

57. Ehrlich, R., “Using a Retractable Ball Point Pen to Test the Law of Conservation of Energy,”  The American Journal of Physics, 64, (176), February 1996.

58. Ehrlich, R., “Guest Comment: Teaching Science Using Hypothetical Reasoning,”  The American Journal of Physics, 64 (3), March 1996.

59. Ehrlich, R., “Experiments With Newton’s Cradle,” The Physics Teacher, 34 (181-183), March 1996.

60. Ehrlich, R., “Two Simple Accelerometers for Use on The Overhead Projector,” submitted to The Physics Teacher, 34, (240-241), April 1996.

61. Ehrlich, R., Friedlander, M., Kiley., T., Mose, D., Pasnak, R. Smith, R., and Tayolor, A., “Old Dogs Can Learn New Tricks,” The Journal of College Science Teaching, May 1997, 405-407.

62. Ehrlich, R., “Why Would Anyone Major in Physics?,” Physics Today, May 1997, 59-60.

63. Ehrlich, R., and Dworzecka, M., “On the Road to Damascus: Technology, Fear, and Fear of Technology,” Journal of College Science Teaching, December 1997/January 1998, 179-182 .

64. Ehrlich, R., “Where Are the Physics Majors?” American Journal of Physics, 66 79-86, January 1998.

65. Ehrlich, R., “Long-Term Trends in Physics Bachelor Degree Output,” The Physics Teacher, 36, 12-17 (September 1998).

66. Ehrlich, R., “Engineering Deans’ Opinion of Physics Courses,”  The Newsletter of the Forum on Education of the American Physical Society, Summer 1998.  (

67. Ehrlich, R., “What Can We Learn from Physics Departments that Have Experienced Large Recent Changes in Undergraduate Degree Output?”, the Physics Teacher, vol 37, March, 1999, 142-46.

68. Ehrlich, R., “Implications for the Cosmic Ray Spectrum of a Negative Electron Neutrino Mass2, Physical Review D, 60, 17302 (1999) [July 1,1999]

69. Ehrlich, R., “Is There a 4.5 PeV Neutron Line in the Cosmic Ray Spectrum?,” Physical Review D, 60, 73005 (1999)

70. Tyukhov, I. and Ehrlich, R., “Solar Energy Demonstrations for Physics and Other Science Classes,” published in the Proceedings of the American Solar Energy Society Annual Conference, Madison WI, June 16-21, 2000, R. Campbell-Howe (ed.)

71. Ehrlich, R., “Neutrino Mass Inferred from the Cosmic Ray Spectrum and Tritium Beta Decay, Phys. Lett. B, 493 (2000) 229-232

72. R. Ehrlich and  J. Lott, “The Great Gun Debate,” Reason, August/September 2001, 52-60.

73.Ehrlich, R., “Nine Crazy Ideas in Science,” Skeptic, 9 (2), 40-44 (2002)

74. Ehrlich, R., “Faster-than-light speeds, tachyons, and the possibility of tachyonic neutrinos,” Am. J. Phys., 71 (11) 1109-14 (2003)

75. Ehrlich, R., “Are People Getting Smarter or Dumber?,” Skeptic, 10 (2), 50-61 (2003)

76. Ehrlich, R., “Heat Exchange” A Review of Spencer Weart’s ‘The Discovery of Global Warming’” April 2004 issue of Natural History magazine, 58-64..

77. Ehrlich, R., “When is Momentum Conserved, and What About Car Crashes in Virginia?”  The Physics Teacher, 423, October (2005)

78. Ehrlich, R., “The human brain’s algorithm for extrapolating motion, and its possible gender-dependence,” Neuroscience Letters, 374 (1), 38-42, Feb 2005.

79.Ehrlich, R. and Zoltek, S., “It’s wrong not to tell students when they are wrong in science classes,” Journal of College Science Teaching, Jan 2006.

80.Ehrlich, R., “What Makes a Theory Testable, or Is Intelligent Design Less Scientific Than String Theory?,” Physics in Perspective, 8, 83-89 (2006).

81. Ehrlich, R. and Haynie, W. J. (2007). Use of take-home exams in an introductory college-level physics course. North Carolina Council on Technology Teacher Education: Technology Education Journal, 9(1). 65-69.

82. Ehrlich, R., “The inability of students to chunk information,” The Physics Teacher, 44 (6), September 2006, 328-9.

83. Ehrlich, R. “Giving bonus points on oral exams,” Am. J. Phys., 75 (4) 2007, 374-376.

84. Ehrlich, R. “Solar Resonant Diffusion Waves as a Driver of Terrestrial Climate Change” Journal of Atmospheric and Solar-Terrestrial Physics 69 (2007) 759–766.

85. Ehrlich, R. “Where are the Female Physicists?” Newsletter of the Committee on the Status of Women in Physics, APS, 26 (2) Fall 2007,


86. Ehrlich, R. “Science Will Never Explain Everything— That is Why it is So Useful!,” Skeptic, 13 (2) (2007).

87. Ehrlich, R. “Three Inconvenient Truths About Global Warming,” Forum on Science & Society newsletter, 36 (4), October, 2007.

88. Ehrlich, R. “Outsourcing in Higher Education – will physics be the first to go?”  APS Forum on Education, American Physical Society, Fall 2009, pp. 5-6.

89. Ehrlich, R., “Stimulating Renewable Energy Education in the U.S. and Beyond:

One 72 year old Physicist’s Second Career, “APS Forum on Physics & Society, 39 (1), January 2010,  pp.23-25.

90. Ehrlich, R., “Physics educators need to become more knowledgeable about and involved in renewable energy,” The Physics Teacher, February 2010, 64-65.

91. Robert Ehrlich, “A Universal Hurricane Frequency Function,” Advances in Meteorology, vol. 2010, 763502, 6 pages, 2010. doi:10.1155/2010/763502.

92. Ehrlich, R., “Grow Up and Emulate China on Energy, “APS Forum on Physics & Society, 39 (2), April 2010,  pp.23-25.

93. Ehrlich, R., “Alien Conquistadors? Hawking is Right,” Journal of Cosmology, 2010, Vol 7

94. Ehrlich, R., “Using Web Videos as a Recruiting Tool,” to appear in the APS Forum on Education Newsletter, Summer 2010,

95. Ehrlich, R., “Using Web Videos as a Recruiting Tool,” 48, The Physics Teacher, September 2010, The Physics Teacher, 430.

96. Ehrlich, R. “Optimizing the Efficiency of Intercessory Prayer,”

97. Ehrlich, R., “Teach Both Sides on Global Warming,” Journal of College Science Teaching, May/June 2011 issue,

98. Ehrlich, R.,  “Evidence for two neutrino mass eigenstates from SN 1987A and the possibility of superluminal neutrinos,”  Astroparticle Physics 35 (2012), pp. 625-628

99. Ehrlich, R. “Tachyonic neutrinos and the neutrino masses,” Astropart. Phys., 41 (2013) 1–6,

100. Chan, M .H. and Ehrlich, R., “Sterile neutrino fits to dark matter mass profiles in the Milky Way and in galaxy clusters,” Astrophysics and Space Science, 349, (1), 407- 413, (2014),

101. Ehrlich, R. Search for cosmic ray sources of neutral hadrons yielding a peak just above the knee, and possible evidence for a $5.86 PeV$ enhancement,

102. Ehrlich, R. “Could a reported 2007 analysis of Super-Kamiokande data have missed a detectable supernova signal from Andromeda?,” ISRN High Energy Physics, vol. 2014, Article ID 408508, 4 pages, 2014. doi:10.1155/2014/408508.  Also:

103. Ehrlich, R., “Six observations consistent with the electron neutrino being a tachyon with mass: m2 = – 0.11+0.02 eV2 ,” Astropart. Phys. 66, 11 (2015),

104. Jentschura, U. and  Ehrlich, R., Lepton-pair _Cerenkov radiation emitted by tachyonic neutrinos:Lorentz-covariant approach and Ice Cube data, Advances in High Energy Physics, vol. 2016, Article ID 4764981;

105. R. Ehrlich, 3 neutrino mass experiments fit a strange 3 + 3 model, but will KATRIN reveal the model’s unique 3-part signature? R. Ehrlich, Astropart. Phys., 85, 43-49 (2016;

106. Jentschura, U., Ehrlich, R., and Nandori, I, Calculation of the Decay Rate of Tachyonic Neutrinos against Charged-Lepton-Pair and Neutrino-Pair Cerenkov Radiation” J. of Phys. G, 44 (10) 2017;

107. R. Ehrlich, The Mont Blanc neutrinos from SN 1987A: Could they have been monochromatic (8 MeV) tachyons with m 2 = -0.38 keV2?, Astropart. Phys.,99, 21-29 (2018);

108. R. Ehrlich. A review of the empirical evidence for superluminal particles and the 3 + 3 model of the neutrino masses, Advances in Astronomy Volume 2018, Article ID 2820492, http://arXiv:1711.09897

109. R. Ehrlich. First results of the KATRIN neutrino mass experiment and their consistency with an exotic 3+3 model, Lett. in High Energy Phys., 4,4 (2019)

110. R. Ehrlich. The Tachyon Nexus: An Educational Resource on Tachyons and Time Travel, to appear in the Journal of College Science Teaching, (2022)

111. R. Ehrlich, 5 Reasons to expect an 8 MeV line in the SN 1987A neutrino spectrum, Lett. in High En. Phys., LHEP-199, 2021

112. R. Ehrlich, The KATRIN Experiment Neutrino Mass Results: An Alternative Interpretation, Lett. in High En. Phys. 199, 2021,.

113. R, Ehrlich, A Review of Searches for Evidence of Tachyons, Symmetry 202214(6), 1198, Symmetry | Free Full-Text | A Review of Searches for Evidence of Tachyons | HTML (

114. R, Ehrlich, Tachyonic Neutrinos: From the Cosmic Rays to Extragalactic Supernovae, Symmetry 202315(9), 1624;