| E+60+40 | Variable index of refraction: laser beam bends in water tank with sugar. | 2025-02-06 |
| B+25+0 | Transverse wave model, hand-cranked. | 2025-01-23 |
| E+60+5 | Total internal reflection/critical angle: Nakamura water tank. | 2025-01-30 |
| E+25+40 | Soap film interference: The soap bubble experiment on arc bench. | 2025-02-25 |
| E+25+5 | Ripple tank with plane or spherical water waves and barriers. | 2025-02-20 |
| E+50+20 | Refraction of white light by prism using arc lamp. | 2025-02-04 |
| E+30+15 | Real images: Lighted arrow image and various lenses. | 2025-02-06 |
| D+5+32 | Plexiglas model of electromagnetic wave. | 2025-01-23 |
| E+40+10 | Phantom lightbulb: Image in a plane mirror. | 2025-02-04 |
| D+0+4 | Parallel plate capacitor with dielectric materials and electroscope. | 2025-01-21 |
| E+25+30 | Newton's rings by transmission or reflection on arc bench. | 2025-02-25 |
| E+30+65 | Model of the eye, with near/far sight lenses, using arc lamp. | 2025-02-11 |
| E+45+10 | Malus experiment: Polarization by reflection off glass surface. | 2025-02-18 |
| D+35+4 | Making small magnets by breaking up a larger magnet. | 2025-01-21 |
| B+25+5 | Longitudinal wave model, hand-cranked. | 2025-01-23 |
| E+10+45 | Limit of resolution: Two small lamps on adjustable slide. | 2025-02-27 |
| C+65+2 | Light the Match. | 2025-01-23 |
| E+60+15 | Light pipes and fiber optic flashlight. | 2025-01-30 |
| E+25+15 | Laser beam through various slit and grating combinations. | 2025-02-20 |
| E+10+5 | Laser beam through sets of 1, 2, or multiple electro-formed slits. | 2025-02-25 |
| E+25+0 | Large wood model of a double slit with hinged waves. | 2025-02-20 |
| D+0+14 | Computer demo: Charge/discharge of a capacitor, runs at least 1 min. | 2025-01-21 |
| E+30+55 | Compound microscope is assembled from lenses. | 2025-02-13 |
| E+45+25 | Commercial Polaroid filters on an OHP. | 2025-02-18 |
| E+10+30 | Bragg diffraction using microwaves and steel balls in foam cube. | 2025-02-27 |
| E+40+5 | Blackboard optics: Light sources with plane and curved mirrors. | 2025-02-04 |
| E+30+10 | Blackboard optics: Light sources with lucite lenses. | 2025-02-06 |
| E+30+45 | Astronomical telescope: Using objective and eyepiece lenses. | 2025-02-13 |
| E+40+0 | Arc lamp and mirror on large disk rotate showing beam angles. | 2025-01-30 |
| E+10+10 | Airy's disk: Pinhole diffraction using laser beam. | 2025-02-25 |
