| Week of December 3, 2007 | Q #300 | A #300 | (available 1/8/2008) | Demonstration O3-04: GREENER THAN GREEN |
| Week of November 26, 2007 | Q #299 | A #299 | (available 12/03/2007) | Demonstration B4-33: EGG CRUSHER |
| Week of November 19, 2007 | Q #298 | A #298 | (available 11/26/2007) | |
| Week of November 12, 2007 | Q #297 | A #297 | (available 11/19/2007) | |
| Week of November 5, 2007 | Q #296 | A #296 | (available 11/12/2007) | Demonstration D3-05: ROTATING CHAIR AND BICYCLE WHEEL |
| Week of October 29, 2007 | Q #295 | A #295 | (available 11/5/2007) | Demonstration K1-02: FORCE BETWEEN CURRENT-CARRYING WIRES - PROJ |
| Week of October 22, 2007 | Q #294 | A #294 | (available 10/29/2007) | |
| Week of October 15, 2007 | Q #293 | A #293 | (available 10/22/2007) | |
| Week of October 8, 2007 | Q #292 | A #292 | (available 10/15/2007) | Demonstration P2-51: OPTICAL ANALOG OF QM STATES AND OPERATORS |
| Week of October 1, 2007 | Q #291 | A #291 | (available 10/8/2007) | Demonstration P2-51: OPTICAL ANALOG OF QM STATES AND OPERATORS |
| Week of September 24, 2007 | Q #290 | A #290 | (available 10/1/2007) | Demonstration P2-51: OPTICAL ANALOG OF QM STATES AND OPERATORS |
| Week of September 17, 2007 | Q #289 | A #289 | (available 9/24/2007) | Demonstration A1-43: CROSSING RODS |
| Week of September 10, 2007 | Q #288 | A #288 | (available 9/17/2007) | Demonstration L4-03: REFRACTION - ROD IN WATER |
| Week of May 14, 2007 | Q #287 | A #287 | (available 5/21/2007) | Demonstration M8-01: POLAROIDS AND KARO SYRUP |
| Week of May 7, 2007 | Q #286 | A #286 | (available 5/14/2007) | Demonstration O1-01: EYE MODEL - OPTICS |
| Week of April 30, 2007 | Q #285 | A #285 | (available 5/7/2007) | Demonstration O1-01: EYE MODEL - OPTICS |
| Week of April 23, 2007 | Q #284 | A #284 | (available 4/30/2007) | Demonstration K4-51: UNIPOLAR MOTOR |
| Week of April 16, 2007 | Q #283 | A #283 | (available 4/23/2007) | Demonstration D2-51: BICYCLE WHEEL PENDULUM |
| Week of April 9, 2007 | Q #282 | A #282 | (available 4/16/2007) | |
| Week of April 2, 2007 | Q #281 | A #281 | (available 4/9/2007) |


