| 14 Sept. 1997: | Ideal Velocity of a Saturn V |
| 5 October 1997: | Relativity and the Speed of Sound |
| 4 November 1997: | The Temperature of Space |
| 18 November 1997: | Skylab and Apollo 13 Temperatures |
| 29 January 1998: | Relation of Electricity and Magnetism |
| 6 February 1998: | Gamma Cameras |
| 16 February 1998: | Fermat Theorem |
| 1 April 1998: | Sucked Into Space |
| 4 July 1998: | Tools in Space |
| 4 July 1998: | Explosions in Space |
| 18 October 1998: | Effect of Gamma Rays |
| 21 November 1998: | Feeling of Heat in the Thermosphere |
| 6 March 2000: | Rotation Speed of a Black Hole |
| 18 March 2000: | Limits on the Structure of Matter |
| 12 April 2000: | Dust Storms and Possible Ruins on Mars |
| 9 May 2000: | Amorphous Ice on Mars |
| 26 May 2000: | The Van Allen Belts and Travel to the Moon |
| 26 May 2000: | The 10,000 M.P.H. HyperTrain |
| 4 July 2000: | Beam Current Limit in Particle Accelerators |
| 18 July 2000: | Self-Contained Working Environment in Space |