| F+85+0 | YBaCuO pellet with magnet in liquid nitrogen on TV camera. | 2019-04-30 |
| F+95+0 | Working helium-neon laser in transparent housing. | 2019-04-25 |
| F+95+0 | Working helium-neon laser in transparent housing. | 2019-04-30 |
| D+35+0 | Wobbly bar: Magnets in frame balanced by repulsive forces. | 2019-02-19 |
| D+0+2 | Various capacitors to show. | 2019-02-07 |
| D+10+20 | Van de Graaff generator. | 2019-01-31 |
| D+30+24 | Vacuum tube with screen shows cathode rays bent with a magnet. | 2019-02-21 |
| E+65+30 | UV light causes mineral and fabric samples to fluoresce different colors. | 2019-04-25 |
| F+30+0 | Tunneling:Microwave analogy using wax prisms. | 2019-04-18 |
| F+30+0 | Tunneling:Microwave analogy using wax prisms. | 2019-04-23 |
| D+5+12 | Seibt effect: Wire wound glass tube with 510 transmitter. | 2019-03-05 |
| D+75+3 | Same as above: Secondary used for small Jacob's ladder. | 2019-02-28 |
| B+50+10 | Rope and strobe: Transverse standing waves, motor driven. | 2019-04-04 |
| B+50+10 | Rope and strobe: Transverse standing waves, motor driven. | 2019-04-09 |
| D+55+18 | Resistor analog: Marbles cascading down pin board. | 2019-02-12 |
| D+55+0 | Resistance boards: Series, parallel, Wheatstone bridge. | 2019-02-14 |
| E+40+30 | Reflections from concave and convex mirrors with lighted arrow. | 2019-03-19 |
| E+30+15 | Real images: Lighted arrow image and various lenses. | 2019-03-19 |
| D+5+32 | Plexiglas model of electromagnetic wave. | 2019-03-05 |
| E+40+10 | Phantom lightbulb: Image in a plane mirror. | 2019-03-19 |
| D+60+0 | P-N Junction as a rectifier: Current flows one way. | 2019-04-30 |
| D+60+0 | P-N Junction as a rectifier: Current flows one way. | 2019-05-02 |
| F+80+0 | Mousetrap chain reaction experiment. | 2019-05-02 |
| E+30+65 | Model of the eye, with near/far sight lenses, using arc lamp. | 2019-03-21 |
| E+45+5 | Microwaves with grid. Transmitter and receiver are polarized. | 2019-03-19 |
| F+20+20 | Mechanical models of the hydrogen atom. | 2019-04-04 |
| F+20+20 | Mechanical models of the hydrogen atom. | 2019-04-09 |
| D+35+15 | Mass Driver | 2019-02-21 |
| E+25+0 | Large wood model of a double slit with hinged waves. | 2019-04-02 |
| D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2019-02-28 |
| D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2019-02-26 |
| E+65+0 | IR source illuminates audience viewed with CCD TV camera in dark room. | 2019-03-05 |
| B+35+10 | Interference of sound waves from two speakers, same generator. | 2019-04-02 |
| D+55+4 | High current melts the fuse wire. | 2019-02-14 |
| E+15+25 | Hand-held gratings for class to view Hg, Ne discharge tubes. | 2019-04-02 |
| D+15+11 | Hand-cranked DC generator powers 120 volt lamp. | 2019-02-28 |
| D+15+11 | Hand-cranked DC generator powers 120 volt lamp. | 2019-02-26 |
| D+30+28 | Hall effect: Magnetic field induces a voltage in a neon plasma. | 2019-02-19 |
| F+65+5 | Geiger counter. | 2019-05-02 |
| E+65+12 | FLIR T200 Infrared camera | 2019-03-12 |
| D+10+13 | Faraday cage: blocks signal from portable radio | 2019-01-31 |
| C+55+60 | Equipartition of Energy: Different mass balls bounce out at different times. | 2019-04-04 |
| D+20+0 | Energy stored in large coil with soft iron core flashes bulb. | 2019-03-05 |
| D+20+0 | Energy stored in large coil with soft iron core flashes bulb. | 2019-02-28 |
| D+0+28 | Energy storage in a commercial capacitor. Loud bang! | 2019-02-07 |
| D+45+2 | Elementary split-ring armature DC motor. D+15+6 as a motor. | 2019-02-19 |
| D+45+2 | Elementary split-ring armature DC motor. D+15+6 as a motor. | 2019-02-21 |
| D+10+28 | Electrostatic doorbell: Ball bangs between charged plates. | 2019-01-22 |
| D+10+28 | Electrostatic doorbell: Ball bangs between charged plates. | 2019-01-24 |
| F+10+0 | Electron diffraction by aluminum and graphite on CRT. | 2019-04-04 |
| F+10+0 | Electron diffraction by aluminum and graphite on CRT. | 2019-04-09 |
| B+20+0 | Driven harmonic oscillator: Motor driven mass on spring. | 2019-03-14 |
| D+80+0 | Copper nail and iron nail in a lemon using a multimeter. | 2019-02-12 |
| D+30+8 | Compass needle shows field around a high current wire on bench top. | 2019-02-21 |
| D+60+8 | Commercial solar cell spins propeller using small arc lamp. | 2019-04-30 |
| D+60+8 | Commercial solar cell spins propeller using small arc lamp. | 2019-05-02 |
| E+45+25 | Commercial Polaroid filters on an OHP. | 2019-03-14 |
| E+45+25 | Commercial Polaroid filters on an OHP. | 2019-03-19 |
| F+45+10 | Cloud chamber with dry ice and alcohol shown on TV camera. | 2019-05-02 |
| B+55+7 | Chladni's Figures: Vibrational modes of a metal plate | 2019-04-23 |
| B+55+7 | Chladni's Figures: Vibrational modes of a metal plate | 2019-04-25 |
| B+55+7 | Chladni's Figures: Vibrational modes of a metal plate | 2019-04-18 |
| E+10+30 | Bragg diffraction using microwaves and steel balls in foam cube. | 2019-04-02 |
| C+65+20 | Box with white interior appears black from hole in the side. | 2019-04-04 |
| E+30+10 | Blackboard optics: Light sources with lucite lenses. | 2019-03-14 |
| E+30+10 | Blackboard optics: Light sources with lucite lenses. | 2019-03-19 |
| E+30+10 | Blackboard optics: Light sources with lucite lenses. | 2019-03-21 |
| D+15+0 | Bar magnet induces current in a coil, shown on galvanometer. | 2019-02-26 |
| D+75+6 | Automobile coil makes a spark. | 2019-02-28 |
| D+10+6 | Attraction and repulsion of charged styrofoam balls. | 2019-01-22 |
| D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2019-02-19 |
| D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2019-02-21 |
| D+15+8 | Alternator: Coil with AC commutator rotates between magnets. | 2019-02-26 |
| D+15+8 | Alternator: Coil with AC commutator rotates between magnets. | 2019-02-28 |
| D+5+10 | 85 MHz radio transmitter, with indicating lamp on dipole antenna. | 2019-03-05 |
