D+35+14 | YBaCuO pellet with magnet in liquid nitrogen on TV camera. | 2020-11-09 |
F+85+0 | YBaCuO pellet with magnet in liquid nitrogen on TV camera. | 2020-11-12 |
F+85+0 | YBaCuO pellet with magnet in liquid nitrogen on TV camera. | 2020-11-05 |
D+35+0 | Wobbly bar: Magnets in frame balanced by repulsive forces. | 2020-11-09 |
D+35+0 | Wobbly bar: Magnets in frame balanced by repulsive forces. | 2020-11-12 |
A+50+5 | Water projector: Adjustable angle water jet in front of grid. | 2020-08-27 |
E+45+0 | Two picket fence sections with slats and rope to make waves. | 2020-11-24 |
B+25+1 | Transverse 3-dimensional wave model, hand-cranked. | 2020-11-19 |
D+10+2 | Transparency: Mapping of an electric field. | 2020-10-29 |
E+60+5 | Total internal reflection/critical angle: Nakamura water tank. | 2020-11-24 |
B+25+30 | Torsional wave device, large or small. | 2020-11-19 |
A+5+5 | The Trebuchet | 2020-09-01 |
A+20+5 | Tablecloth yanked out from under dishes. | 2020-09-17 |
A+0+47 | Swing water in a bucket. | 2020-09-22 |
A+30+15 | Rotating chair with dumbbells or weighted bicycle wheel. | 2020-09-24 |
A+50+27 | Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law. | 2020-09-22 |
D+10+4 | Pith balls on thread, with positive and negative charged rods. | 2020-10-29 |
E+40+10 | Phantom lightbulb: Image in a plane mirror. | 2020-11-24 |
A+50+10 | Monkey and the hunter. | 2020-08-27 |
C+75+0 | Measurement of temperature: Various types of thermometers. | 2020-09-10 |
B+25+5 | Longitudinal wave model, hand-cranked. | 2020-11-19 |
E+60+15 | Light pipes and fiber optic flashlight. | 2020-11-24 |
E+25+0 | Large wood model of a double slit with hinged waves. | 2020-11-24 |
D+30+12 | Iron filings around a current carrying coil on OHP to show field. | 2020-11-09 |
D+30+12 | Iron filings around a current carrying coil on OHP to show field. | 2020-11-12 |
D+30+6 | Iron filings and permanent magnets to show field on an OHP. | 2020-11-05 |
D+30+6 | Iron filings and permanent magnets to show field on an OHP. | 2020-10-29 |
C+70+20 | Ice bomb: Iron sphere ruptured by freezing water. | 2020-09-10 |
C+70+20 | Ice bomb: Iron sphere ruptured by freezing water. | 2020-09-15 |
D+55+4 | High current melts the fuse wire. | 2020-11-05 |
B+20+20 | Film : "Tacoma Narrows bridge collapse",silent, 4 min. | 2020-11-19 |
D+45+8 | Elementary motor: Magnet, wire and battery make a simple motor. | 2020-11-09 |
D+45+8 | Elementary motor: Magnet, wire and battery make a simple motor. | 2020-11-12 |
D+10+18 | Electrophorous: Cat fur on teflon, acetate on lucite. | 2020-10-29 |
A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2020-09-01 |
A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2020-09-03 |
A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2020-09-08 |
A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2020-09-22 |
A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2020-09-24 |
D+30+26 | E/M tube: Circular bending of an electron beam in a magnetic field. | 2020-11-09 |
D+30+26 | E/M tube: Circular bending of an electron beam in a magnetic field. | 2020-11-12 |
C+15+0 | Copper/wood cylinder wrapped with paper over bunsen burner. | 2020-09-15 |
D+80+0 | Copper nail and iron nail in a lemon using a multimeter. | 2020-11-05 |
C+10+0 | Carnot cycle models: Piston/cylinder, PVT surface. | 2020-09-10 |
A+50+25 | Carbon dioxide propelled rocket flies across room on wire. | 2020-09-17 |
A+5+15 | Brachistochrone: Three balls falling along different trajectories. | 2020-09-01 |
C+70+75 | Boyle's Law: At constant T, Pressure times Volume is a constant. | 2020-09-10 |
B+35+30 | Beats from two speakers observed on an oscilloscope. | 2020-11-19 |
A+0+52 | Banked turns: slot car around an oval track | 2020-09-22 |
C+40+0 | Ball race: Five different balls heated and placed on paraffin sheet. | 2020-09-15 |
E+10+10 | Airy's disk: Pinhole diffraction using laser beam. | 2020-11-24 |
A+0+0 | "Coin and Feather" fall in an evacuated rotatable tube. | 2020-09-17 |