F+85+0 | YBaCuO pellet with magnet in liquid nitrogen on TV camera. | 2014-11-20 |
F+95+0 | Working helium-neon laser in transparent housing. | 2014-11-20 |
D+35+0 | Wobbly bar: Magnets in frame balanced by repulsive forces. | 2014-10-02 |
A+50+5 | Water projector: Adjustable angle water jet in front of grid. | 2014-09-11 |
F+20+35 | Wall chart or online applet of the nuclides. | 2014-09-18 |
F+15+0 | UV light hits charged zinc plate and discharges electroscope. | 2014-11-18 |
A+35+20 | Three meter airtrack with gliders that rebound elastically, or stick. | 2014-09-11 |
A+20+5 | Tablecloth yanked out from under dishes. | 2014-09-11 |
E+5+0 | Standard color blindness tests and box of colored yarns. | 2014-10-23 |
E+25+40 | Soap film interference: The soap bubble experiment on arc bench. | 2014-10-23 |
E+10+0 | Single slit diffraction using laser beam through adjustable slit. | 2014-10-23 |
B+20+25 | Set of three coupled inverted pendulums on wood base. | 2014-10-16 |
B+25+10 | Rubber rope stretched across front of room. | 2014-10-14 |
A+30+15 | Rotating chair with dumbbells or weighted bicycle wheel. | 2014-09-16 |
A+50+20 | Rocket is filled with water and compressed air and launched vertically. | 2014-09-16 |
E+40+25 | Retrodirective reflector: Silvered right angle prism, using laser. | 2014-10-21 |
D+55+18 | Resistor analog: Marbles cascading down pin board. | 2014-10-02 |
E+30+15 | Real images: Lighted arrow image and various lenses. | 2014-10-21 |
F+18+10 | Photomultiplier tubes to show. | 2014-11-20 |
E+40+10 | Phantom lightbulb: Image in a plane mirror. | 2014-10-21 |
F+80+0 | Mousetrap chain reaction experiment. | 2014-09-25 |
A+50+10 | Monkey and the hunter. | 2014-09-11 |
F+80+5 | Model of the uranium pile. | 2014-09-25 |
E+30+65 | Model of the eye, with near/far sight lenses, using arc lamp. | 2014-10-21 |
E+15+10 | Mercury spectrum using slit and grating, includes UV lines. | 2014-11-18 |
B+25+25 | Mechanical water wave model, hand-cranked. | 2014-10-14 |
D+30+14 | Magnetic field around a solenoid with pivoting probe magnet. | 2014-10-02 |
C+70+32 | LN2 in a model cannon shoots a cork. | 2014-09-04 |
C+60+5 | LN2 demos: pewter bell and spring, color change tube, LN2 cannon. | 2014-09-04 |
D+35+12 | Linear motor: An iron core jumps into a solenoid. | 2014-10-09 |
E+60+15 | Light pipes and fiber optic flashlight. | 2014-10-21 |
D+15+24 | Levitator: Aluminum dish floats four inches off platform. | 2014-10-09 |
E+10+5 | Laser beam through sets of 1, 2, or multiple electro-formed slits. | 2014-11-18 |
D+75+4 | Large Tesla coil. 15 inch discharge. | 2014-09-02 |
D+30+1 | Large compass needle on stand. | 2014-10-02 |
D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2014-10-09 |
B+35+10 | Interference of sound waves from two speakers, same generator. | 2014-10-16 |
B+35+15 | Interference in a ripple tank uses arc lamp or incandescent light. | 2014-10-14 |
E+55+10 | Image formed by a pinhole using three light bulbs in a box. | 2014-10-21 |
C+20+15 | Hot air balloon: Dry cleaner bag over Bunsen burner rises to ceiling. | 2014-09-04 |
D+55+4 | High current melts the fuse wire. | 2014-10-02 |
C+20+0 | Heat water in "O" shaped tube adding a dye. | 2014-09-09 |
D+15+11 | Hand-cranked DC generator powers 120 volt lamp. | 2014-10-02 |
D+15+11 | Hand-cranked DC generator powers 120 volt lamp. | 2014-09-02 |
F+65+5 | Geiger counter. | 2014-09-18 |
F+65+5 | Geiger counter. | 2014-09-23 |
E+30+25 | Fresnel lenses to show. | 2014-10-21 |
E+65+12 | FLIR T200 Infrared camera | 2014-11-04 |
C+70+55 | Fire syringe: paper is ignited in a cylinder with a piston. | 2014-09-09 |
B+20+20 | Film : "Tacoma Narrows bridge collapse",silent, 4 min. | 2014-10-16 |
D+10+13 | Faraday cage: blocks signal from portable radio | 2014-11-04 |
C+22+0 | Engine models: Steam, 4-cycle Otto. | 2014-09-09 |
D+45+2 | Elementary split-ring armature DC motor. D+15+6 as a motor. | 2014-10-09 |
D+10+24 | Electrostatic pinwheel:Van de Graaff makes pinwheel spin. | 2014-10-02 |
F+10+0 | Electron diffraction by aluminum and graphite on CRT. | 2014-11-18 |
D+85+0 | Electrolysis of water produces hydrogen and oxygen. | 2014-09-02 |
E+10+15 | Diffraction about pinhead, razorblade, wood screw using laser. | 2014-10-23 |
D+75+0 | Demountable transformer with many secondary coils from 10:1 to 1:46. | 2014-10-09 |
C+65+15 | Crooke's radiometer with flashlight, arc lamp or IR source. | 2014-09-09 |
D+80+0 | Copper nail and iron nail in a lemon using a multimeter. | 2014-10-02 |
D+60+8 | Commercial solar cell spins propeller using small arc lamp. | 2014-11-20 |
E+45+25 | Commercial Polaroid filters on an OHP. | 2014-10-23 |
C+30+65 | Collapse 1 gallon metal can with vacuum pump. | 2014-09-04 |
C+70+60 | CO2 fire extinguisher: Expanding gas freezes into snow. | 2014-09-09 |
F+45+10 | Cloud chamber with dry ice and alcohol shown on TV camera. | 2014-09-18 |
E+40+40 | Clam shell mirrors: Floating coin illusion. | 2014-10-21 |
A+20+0 | Card snapped from under a weight by a leaf spring. | 2014-09-11 |
C+55+15 | Brownian motion: Smoke particles viewed using TV camera. | 2014-09-04 |
E+10+30 | Bragg diffraction using microwaves and steel balls in foam cube. | 2014-11-18 |
E+40+5 | Blackboard optics: Light sources with plane and curved mirrors. | 2014-10-23 |
E+30+10 | Blackboard optics: Light sources with lucite lenses. | 2014-10-21 |
B+45+15 | Bell ringing in a jar evacuated with pump. | 2014-10-14 |
B+35+20 | Beats with tuning forks on tuned cavities. | 2014-10-16 |
B+20+30 | Beaker is broken by sound from speaker. | 2014-10-16 |
D+15+0 | Bar magnet induces current in a coil, shown on galvanometer. | 2014-10-02 |
A+35+17 | Ballistic pendulum: Suspended .22 rifle fires into suspended block. | 2014-09-16 |
B+35+5 | Acoustic interference with Quincke (trombone) tube and sonalert. | 2014-10-16 |
A+0+0 | "Coin and Feather" fall in an evacuated rotatable tube. | 2014-09-16 |
A+0+0 | "Coin and Feather" fall in an evacuated rotatable tube. | 2014-09-18 |