| D+10+20 | Van de Graaff generator. | 2023-05-05 |
| E+45+105 | Sunset: solution in tank scatters blue light, using arc lamp. | 2023-05-05 |
| E+45+15 | Polarization of light by internal reflection: Fresnel rhomb. | 2023-05-05 |
| D+15+24 | Levitator: Aluminum dish floats four inches off platform. | 2023-05-05 |
| D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2023-05-05 |
| E+55+10 | Image formed by a pinhole using three light bulbs in a box. | 2023-05-05 |
| D+15+26 | Eddy currents:Small magnet slowly drops between aluminum rails. | 2023-05-05 |
| D+5+10 | 85 MHz radio transmitter, with indicating lamp on dipole antenna. | 2023-05-05 |
