F+85+0 | YBaCuO pellet with magnet in liquid nitrogen on TV camera. | 2013-11-19 |
F+5+0 | X-Ray tube: Hard X-rays detected by fluorescent screen. | 2013-09-19 |
F+95+0 | Working helium-neon laser in transparent housing. | 2013-11-12 |
F+95+0 | Working helium-neon laser in transparent housing. | 2013-11-19 |
D+35+0 | Wobbly bar: Magnets in frame balanced by repulsive forces. | 2013-10-03 |
B+67+0 | Whip | 2013-09-17 |
A+50+5 | Water projector: Adjustable angle water jet in front of grid. | 2013-09-12 |
F+65+15 | Wall chart of the nuclides. | 2013-09-19 |
F+15+0 | UV light hits charged zinc plate and discharges electroscope. | 2013-11-12 |
E+65+30 | UV light causes mineral and fabric samples to fluoresce different colors. | 2013-12-05 |
B+25+30 | Torsional wave device, large or small. | 2013-10-15 |
A+35+20 | Three meter airtrack with gliders that rebound elastically, or stick. | 2013-09-12 |
A+20+5 | Tablecloth yanked out from under dishes. | 2013-09-17 |
A+20+5 | Tablecloth yanked out from under dishes. | 2013-09-12 |
A+0+47 | Swing water in a bucket. | 2013-09-01 |
A+0+47 | Swing water in a bucket. | 2013-09-12 |
B+65+0 | Sonalert swung on the end of a string. | 2013-10-15 |
B+50+20 | Set of eight organ pipes to make a major scale. | 2013-12-05 |
B+25+10 | Rubber rope stretched across front of room. | 2013-10-15 |
A+30+15 | Rotating chair with dumbbells or weighted bicycle wheel. | 2013-09-17 |
A+50+20 | Rocket is filled with water and compressed air and launched vertically. | 2013-09-17 |
D+55+18 | Resistor analog: Marbles cascading down pin board. | 2013-10-03 |
F+18+10 | Photomultiplier tubes to show. | 2013-11-19 |
F+80+0 | Mousetrap chain reaction experiment. | 2013-09-26 |
A+50+10 | Monkey and the hunter. | 2013-09-12 |
A+50+10 | Monkey and the hunter. | 2013-11-21 |
F+80+5 | Model of the uranium pile. | 2013-09-26 |
E+15+10 | Mercury spectrum using slit and grating, includes UV lines. | 2013-11-12 |
D+30+14 | Magnetic field around a solenoid with pivoting probe magnet. | 2013-10-03 |
C+70+32 | LN2 in a model cannon shoots a cork. | 2013-09-05 |
D+35+12 | Linear motor: An iron core jumps into a solenoid. | 2013-10-10 |
D+15+24 | Levitator: Aluminum dish floats four inches off platform. | 2013-10-10 |
E+25+15 | Laser beam through various slit and grating combinations. | 2013-11-19 |
D+75+4 | Large Tesla coil. 15 inch discharge. | 2013-09-03 |
D+75+4 | Large Tesla coil. 15 inch discharge. | 2013-10-10 |
D+30+1 | Large compass needle on stand. | 2013-10-03 |
D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2013-10-10 |
B+35+15 | Interference in a ripple tank uses arc lamp or incandescent light. | 2013-10-15 |
C+20+15 | Hot air balloon: Dry cleaner bag over Bunsen burner rises to ceiling. | 2013-09-05 |
D+55+4 | High current melts the fuse wire. | 2013-10-03 |
C+20+0 | Heat water in "O" shaped tube adding a dye. | 2013-09-05 |
D+15+11 | Hand-cranked DC generator powers 120 volt lamp. | 2013-09-03 |
D+15+11 | Hand-cranked DC generator powers 120 volt lamp. | 2013-12-05 |
D+15+11 | Hand-cranked DC generator powers 120 volt lamp. | 2013-10-03 |
F+65+5 | Geiger counter. | 2013-09-19 |
F+65+5 | Geiger counter. | 2013-09-24 |
F+65+5 | Geiger counter. | 2013-12-05 |
C+70+55 | Fire syringe: paper is ignited in a cylinder with a piston. | 2013-12-05 |
C+70+55 | Fire syringe: paper is ignited in a cylinder with a piston. | 2013-09-10 |
C+22+0 | Engine models: Steam, 4-cycle Otto. | 2013-09-10 |
D+0+28 | Energy storage in a commercial capacitor. Loud bang! | 2013-08-29 |
D+45+2 | Elementary split-ring armature DC motor. D+15+6 as a motor. | 2013-10-10 |
D+10+24 | Electrostatic pinwheel:Van de Graaff makes pinwheel spin. | 2013-10-03 |
F+10+0 | Electron diffraction by aluminum and graphite on CRT. | 2013-11-12 |
G+5+5 | Earth, Sun, and Mars model. | 2013-09-03 |
B+70+0 | Ear models. | 2013-10-15 |
A+50+0 | Dropped and shot balls hit bench simultaneously. | 2013-09-12 |
C+70+47 | Dippy bird: Large glass bird containing ether oscillates. | 2013-09-10 |
D+75+0 | Demountable transformer with many secondary coils from 10:1 to 1:46. | 2013-10-10 |
C+65+15 | Crooke's radiometer with flashlight, arc lamp or IR source. | 2013-08-29 |
C+65+15 | Crooke's radiometer with flashlight, arc lamp or IR source. | 2013-09-03 |
D+80+0 | Copper nail and iron nail in a lemon using a multimeter. | 2013-10-03 |
F+15+20 | Commercial solar cell spins propeller using halogen light source. | 2013-08-29 |
F+15+20 | Commercial solar cell spins propeller using halogen light source. | 2013-09-03 |
F+15+20 | Commercial solar cell spins propeller using halogen light source. | 2013-11-19 |
C+30+65 | Collapse 1 gallon metal can with vacuum pump. | 2013-09-05 |
C+70+60 | CO2 fire extinguisher: Expanding gas freezes into snow. | 2013-09-05 |
C+70+60 | CO2 fire extinguisher: Expanding gas freezes into snow. | 2013-09-10 |
F+45+10 | Cloud chamber with dry ice and alcohol shown on TV camera. | 2013-09-19 |
F+45+10 | Cloud chamber with dry ice and alcohol shown on TV camera. | 2013-09-24 |
A+20+0 | Card snapped from under a weight by a leaf spring. | 2013-09-12 |
A+50+26 | Carbon dioxide propelled rotational device. | 2013-09-17 |
D+85+2 | Bubble Electrolysis. | 2013-09-03 |
C+55+15 | Brownian motion: Smoke particles viewed using TV camera. | 2013-09-05 |
C+55+20 | Brownian motion: Like C+55+0, with an aluminum disk added. | 2013-09-05 |
F+5+15 | Bragg diffraction using microwaves and steel balls in foam cube. | 2013-11-12 |
A+5+20 | Bowling ball pendulum swings back to nose. | 2013-08-29 |
C+50+5 | Black balls and white balls in a box are shaken. | 2013-09-10 |
C+70+35 | Bimetallic strip: Brass/invar strip curves when heated. | 2013-09-05 |
B+45+15 | Bell ringing in a jar evacuated with pump. | 2013-10-15 |
D+15+0 | Bar magnet induces current in a coil, shown on galvanometer. | 2013-10-03 |
A+50+35 | Ballistics car: Ball ejected from rolling car drops back in. | 2013-11-21 |
A+35+17 | Ballistic pendulum: Suspended .22 rifle fires into suspended block. | 2013-09-17 |
E+65+25 | As light bulb filament increases temp. its spectrum shifts red to blue. | 2013-12-05 |
A+0+35 | A ball swung on a string held by a sleeve. | 2013-09-12 |
A+0+0 | "Coin and Feather" fall in an evacuated rotatable tube. | 2013-09-17 |