| F+95+0 | Working helium-neon laser in transparent housing. | 2023-04-13 |
| F+30+0 | Tunneling:Microwave analogy using wax prisms. | 2023-04-04 |
| F+30+0 | Tunneling:Microwave analogy using wax prisms. | 2023-04-06 |
| E+60+5 | Total internal reflection/critical angle: Nakamura water tank. | 2023-01-31 |
| F+20+5 | Rutherford scattering model: Steel balls, launcher, and "hill". | 2023-03-21 |
| E+25+5 | Ripple tank with plane or spherical water waves and barriers. | 2023-02-07 |
| E+40+25 | Retrodirective reflector: Silvered right angle prism, using laser. | 2023-01-26 |
| D+5+32 | Plexiglas model of electromagnetic wave. | 2023-01-19 |
| E+25+10 | Microwave interference with single and double slits. | 2023-02-07 |
| F+65+10 | Mechanical model of radioactive decay. | 2023-04-20 |
| F+90+0 | Magnetic field splits Cd interferometer lines on TV camera. | 2023-04-13 |
| F+15+5 | Light through different filters into phototube changes current. | 2023-03-07 |
| F+15+5 | Light through different filters into phototube changes current. | 2023-03-09 |
| E+15+25 | Hand-held gratings for class to view Hg, Ne discharge tubes. | 2023-03-15 |
| F+65+5 | Geiger counter. | 2023-04-20 |
| F+10+0 | Electron diffraction by aluminum and graphite on CRT. | 2023-03-15 |
| E+40+5 | Blackboard optics: Light sources with plane and curved mirrors. | 2023-01-26 |
| E+30+10 | Blackboard optics: Light sources with lucite lenses. | 2023-01-26 |
| E+30+10 | Blackboard optics: Light sources with lucite lenses. | 2023-01-31 |
| E+30+10 | Blackboard optics: Light sources with lucite lenses. | 2023-02-07 |
| E+65+25 | As light bulb filament increases temp. its spectrum shifts red to blue. | 2023-03-07 |
| D+5+10 | 85 MHz radio transmitter, with indicating lamp on dipole antenna. | 2023-01-19 |
| D+5+10 | 85 MHz radio transmitter, with indicating lamp on dipole antenna. | 2023-03-14 |
