| E+60+17 | Water fiber optic | 2023-04-18 |
| E+60+5 | Total internal reflection/critical angle: Nakamura water tank. | 2023-04-18 |
| E+10+0 | Single slit diffraction using laser beam through adjustable slit. | 2023-04-20 |
| D+55+18 | Resistor analog: Marbles cascading down pin board. | 2023-02-16 |
| E+60+10 | Rainbow: Refraction of white light by a liquid sphere. | 2023-04-18 |
| E+45+5 | Microwaves with grid. Transmitter and receiver are polarized. | 2023-04-06 |
| E+25+60 | Michelson interferometer fringes with laser or white light. | 2023-04-20 |
| D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2023-03-16 |
| D+55+4 | High current melts the fuse wire. | 2023-02-16 |
| D+55+4 | High current melts the fuse wire. | 2023-02-21 |
| D+10+10 | Faraday's ice pail: Charge induced on the outside of a pail. | 2023-02-07 |
| D+10+13 | Faraday cage: blocks signal from portable radio | 2023-02-09 |
| D+10+24 | Electrostatic pinwheel:Van de Graaff makes pinwheel spin. | 2023-01-19 |
| D+15+4 | Earth inductor: Coil spun in Earth's field makes voltage. | 2023-03-16 |
| D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2023-03-02 |
