| F+15+0 | UV light hits charged zinc plate and discharges electroscope. | 2019-11-26 |
| E+60+5 | Total internal reflection/critical angle: Nakamura water tank. | 2019-09-12 |
| E+25+40 | Soap film interference: The soap bubble experiment on arc bench. | 2019-10-15 |
| E+25+40 | Soap film interference: The soap bubble experiment on arc bench. | 2019-10-17 |
| E+10+0 | Single slit diffraction using laser beam through adjustable slit. | 2019-10-15 |
| E+10+0 | Single slit diffraction using laser beam through adjustable slit. | 2019-10-08 |
| E+40+30 | Reflections from concave and convex mirrors with lighted arrow. | 2019-09-10 |
| E+40+30 | Reflections from concave and convex mirrors with lighted arrow. | 2019-09-12 |
| E+30+15 | Real images: Lighted arrow image and various lenses. | 2019-09-19 |
| E+40+35 | Phantom bouquet: Real image from a concave mirror. | 2019-09-10 |
| E+40+35 | Phantom bouquet: Real image from a concave mirror. | 2019-09-12 |
| E+25+30 | Newton's rings by transmission or reflection on arc bench. | 2019-10-15 |
| E+25+30 | Newton's rings by transmission or reflection on arc bench. | 2019-10-17 |
| E+10+5 | Laser beam through sets of 1, 2, or multiple electro-formed slits. | 2019-10-08 |
| E+10+5 | Laser beam through sets of 1, 2, or multiple electro-formed slits. | 2019-10-15 |
| E+10+5 | Laser beam through sets of 1, 2, or multiple electro-formed slits. | 2019-10-01 |
| B+35+15 | Interference in a ripple tank uses arc lamp or incandescent light. | 2019-09-26 |
| E+10+15 | Diffraction about pinhead, razorblade, wood screw using laser. | 2019-10-08 |
| E+40+40 | Clam shell mirrors: Floating coin illusion. | 2019-09-10 |
| E+40+5 | Blackboard optics: Light sources with plane and curved mirrors. | 2019-09-10 |
| E+30+10 | Blackboard optics: Light sources with lucite lenses. | 2019-09-17 |
| E+30+5 | Air, glass and water lenses in water tank with arc lamp. | 2019-09-19 |
| E+30+5 | Air, glass and water lenses in water tank with arc lamp. | 2019-09-24 |
| E+30+5 | Air, glass and water lenses in water tank with arc lamp. | 2019-10-01 |
| D+5+10 | 85 MHz radio transmitter, with indicating lamp on dipole antenna. | 2019-08-29 |
