C+27+20 | Wire sieve boat floats on water until alcohol is added. | 2014-11-14 |
C+27+20 | Wire sieve boat floats on water until alcohol is added. | 2014-11-10 |
C+27+20 | Wire sieve boat floats on water until alcohol is added. | 2014-11-17 |
C+27+20 | Wire sieve boat floats on water until alcohol is added. | 2014-11-12 |
A+12+5 | Weighted wood block dragged horizontally by force sensor. | 2014-09-17 |
A+12+5 | Weighted wood block dragged horizontally by force sensor. | 2014-09-15 |
A+14+0 | Weight on a vertical spring with markers on stand. | 2014-09-12 |
A+50+5 | Water projector: Adjustable angle water jet in front of grid. | 2014-09-08 |
C+25+40 | Water in vertical standpipe with holes at different heights. | 2014-11-10 |
C+25+20 | Venturi meter: Manometer tubes on tapered wind tunnel tube. | 2014-11-14 |
C+25+20 | Venturi meter: Manometer tubes on tapered wind tunnel tube. | 2014-11-07 |
C+27+5 | Various bubble frames. | 2014-11-12 |
C+30+68 | Vacuum Cannon | 2014-11-12 |
B+50+45 | Unbalanced spinning wheel vibrates spring steel reeds. | 2014-12-08 |
B+50+45 | Unbalanced spinning wheel vibrates spring steel reeds. | 2014-12-03 |
B+50+45 | Unbalanced spinning wheel vibrates spring steel reeds. | 2014-12-05 |
B+15+10 | Two pendulums on a frame of flexible steel. | 2014-11-19 |
A+25+0 | Two disks, one weighted in center and other on rim, roll down ramp. | 2014-10-29 |
A+25+0 | Two disks, one weighted in center and other on rim, roll down ramp. | 2014-10-24 |
A+25+0 | Two disks, one weighted in center and other on rim, roll down ramp. | 2014-10-27 |
A+25+0 | Two disks, one weighted in center and other on rim, roll down ramp. | 2014-10-20 |
A+25+0 | Two disks, one weighted in center and other on rim, roll down ramp. | 2014-10-22 |
A+65+0 | Twisting a rod with one end fixed and the other hung with weights. | 2014-10-22 |
A+65+0 | Twisting a rod with one end fixed and the other hung with weights. | 2014-10-29 |
A+65+0 | Twisting a rod with one end fixed and the other hung with weights. | 2014-10-24 |
A+65+0 | Twisting a rod with one end fixed and the other hung with weights. | 2014-10-27 |
A+65+0 | Twisting a rod with one end fixed and the other hung with weights. | 2014-10-20 |
B+10+60 | Tuning forks, various. | 2014-11-21 |
B+50+25 | Tunable organ pipe. | 2014-12-05 |
B+25+0 | Transverse wave model, hand-cranked. | 2014-12-01 |
A+35+40 | Train on circular track moves one way and track moves the other. | 2014-11-03 |
B+25+30 | Torsional wave device, large or small. | 2014-12-03 |
B+25+30 | Torsional wave device, large or small. | 2014-12-05 |
B+10+2 | Torsion pendulum with removable weights. | 2014-11-17 |
A+65+10 | Torque wrench to demonstrate. | 2014-10-22 |
A+65+10 | Torque wrench to demonstrate. | 2014-10-29 |
A+65+10 | Torque wrench to demonstrate. | 2014-10-24 |
A+65+10 | Torque wrench to demonstrate. | 2014-10-27 |
A+65+10 | Torque wrench to demonstrate. | 2014-10-20 |
A+35+20 | Three meter airtrack with gliders that rebound elastically, or stick. | 2014-10-13 |
A+35+20 | Three meter airtrack with gliders that rebound elastically, or stick. | 2014-10-10 |
A+15+0 | The Cavendish experiment: Model and actual apparatus to show. | 2014-09-24 |
A+20+5 | Tablecloth yanked out from under dishes. | 2014-09-11 |
A+20+5 | Tablecloth yanked out from under dishes. | 2014-09-10 |
A+0+47 | Swing water in a bucket. | 2014-09-19 |
A+0+47 | Swing water in a bucket. | 2014-09-22 |
B+25+20 | Suspended slinky on threads for compression wave. | 2014-11-26 |
B+25+20 | Suspended slinky on threads for compression wave. | 2014-11-24 |
C+30+60 | Suction cup holds large mass suspended from heavy glass plate. | 2014-11-10 |
B+60+0 | Speed of sound in air: Speaker resonates air column over water. | 2014-12-08 |
B+60+0 | Speed of sound in air: Speaker resonates air column over water. | 2014-12-12 |
B+50+50 | Sonometer: Resonant chamber with bowed strings (2). | 2014-12-05 |
C+27+10 | Soap boat or camphor boats in one meter square pan of water. | 2014-11-12 |
A+30+35 | Sire's Polytrope. | 2014-10-31 |
B+10+1 | Simple pendulum: Ball on a string. | 2014-10-07 |
B+10+1 | Simple pendulum: Ball on a string. | 2014-10-06 |
B+10+1 | Simple pendulum: Ball on a string. | 2014-10-08 |
B+20+25 | Set of three coupled inverted pendulums on wood base. | 2014-11-19 |
B+50+30 | Set of ten suspended metal rods struck with a wooden mallet. | 2014-12-03 |
B+50+30 | Set of ten suspended metal rods struck with a wooden mallet. | 2014-12-08 |
C+27+0 | Set of capillary tubes and dye on video camera. | 2014-11-14 |
C+27+0 | Set of capillary tubes and dye on video camera. | 2014-11-10 |
C+27+0 | Set of capillary tubes and dye on video camera. | 2014-11-17 |
C+27+0 | Set of capillary tubes and dye on video camera. | 2014-11-12 |
B+25+10 | Rubber rope stretched across front of room. | 2014-12-01 |
A+30+10 | Rotational inertia device: Sliding weights on rotating rod. | 2014-10-31 |
A+60+37 | Rotation about the center of mass: Object to throw. | 2014-10-15 |
A+60+37 | Rotation about the center of mass: Object to throw. | 2014-10-17 |
A+0+57 | Rotating loop of chain rolls across bench. | 2014-09-19 |
A+0+57 | Rotating loop of chain rolls across bench. | 2014-09-22 |
A+0+57 | Rotating loop of chain rolls across bench. | 2014-09-24 |
A+0+57 | Rotating loop of chain rolls across bench. | 2014-09-26 |
A+30+15 | Rotating chair with dumbbells or weighted bicycle wheel. | 2014-10-31 |
A+70+20 | Rope with slug(unit of mass) in center is lifted from ends. | 2014-09-19 |
B+50+10 | Rope and strobe: Transverse standing waves, motor driven. | 2014-12-03 |
B+50+10 | Rope and strobe: Transverse standing waves, motor driven. | 2014-12-05 |
A+55+5 | Rolling spool: String on spool is pulled at various angles. | 2014-10-22 |
A+55+5 | Rolling spool: String on spool is pulled at various angles. | 2014-10-31 |
A+55+5 | Rolling spool: String on spool is pulled at various angles. | 2014-10-29 |
A+55+5 | Rolling spool: String on spool is pulled at various angles. | 2014-10-24 |
A+55+5 | Rolling spool: String on spool is pulled at various angles. | 2014-10-27 |
A+55+5 | Rolling spool: String on spool is pulled at various angles. | 2014-10-20 |
A+50+27 | Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law. | 2014-09-11 |
A+50+27 | Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law. | 2014-09-10 |
A+50+27 | Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law. | 2014-09-12 |
A+50+20 | Rocket is filled with water and compressed air and launched vertically. | 2014-09-17 |
A+50+20 | Rocket is filled with water and compressed air and launched vertically. | 2014-09-19 |
A+70+10 | Relative velocity: Three electric cars on tracks make chalk line. | 2014-09-15 |
A+80+10 | Pulley sets. | 2014-09-19 |
A+12+10 | Plank oscillates on oppositely rotating bicycle wheels. | 2014-09-17 |
A+12+10 | Plank oscillates on oppositely rotating bicycle wheels. | 2014-09-15 |
B+10+10 | Physical pendulum: Steel bar with two pivot points. | 2014-11-19 |
B+20+15 | One tuning fork with tuned cavity, drives another. | 2014-11-21 |
A+50+10 | Monkey and the hunter. | 2014-09-05 |
A+25+5 | Moment of inertia: Hoop or disk rotated by falling weight. | 2014-10-29 |
A+25+5 | Moment of inertia: Hoop or disk rotated by falling weight. | 2014-10-24 |
A+25+5 | Moment of inertia: Hoop or disk rotated by falling weight. | 2014-10-27 |
A+25+5 | Moment of inertia: Hoop or disk rotated by falling weight. | 2014-10-20 |
A+25+5 | Moment of inertia: Hoop or disk rotated by falling weight. | 2014-10-22 |
A+30+0 | Minor's apparatus: Movable discs rotated by falling weight. | 2014-10-31 |
A+60+0 | Meterstick suspended in mid-air by horizontal strings and weights. | 2014-10-22 |
A+60+0 | Meterstick suspended in mid-air by horizontal strings and weights. | 2014-10-29 |
A+60+0 | Meterstick suspended in mid-air by horizontal strings and weights. | 2014-10-24 |
A+60+0 | Meterstick suspended in mid-air by horizontal strings and weights. | 2014-10-27 |
B+25+25 | Mechanical water wave model, hand-cranked. | 2014-12-01 |
A+35+30 | Mechanical model of a gas: Vibrating balls strike piston on OHP. | 2014-10-13 |
A+35+30 | Mechanical model of a gas: Vibrating balls strike piston on OHP. | 2014-10-10 |
A+30+5 | Maxwell's wheel: Flywheel with axle, supported on strings or stand. | 2014-10-22 |
A+30+5 | Maxwell's wheel: Flywheel with axle, supported on strings or stand. | 2014-10-29 |
A+30+5 | Maxwell's wheel: Flywheel with axle, supported on strings or stand. | 2014-10-24 |
A+30+5 | Maxwell's wheel: Flywheel with axle, supported on strings or stand. | 2014-10-27 |
A+30+5 | Maxwell's wheel: Flywheel with axle, supported on strings or stand. | 2014-10-20 |
A+30+5 | Maxwell's wheel: Flywheel with axle, supported on strings or stand. | 2014-10-31 |
B+10+0 | Mass on a spring. | 2014-10-07 |
B+10+0 | Mass on a spring. | 2014-10-06 |
B+10+0 | Mass on a spring. | 2014-10-08 |
C+30+5 | Magdeburg's hemispheres(cast iron) evacuated, can't be separated. | 2014-11-14 |
C+30+5 | Magdeburg's hemispheres(cast iron) evacuated, can't be separated. | 2014-11-12 |
A+25+10 | Loop the loop: Sphere, hoop, disk rolled down a looped track. | 2014-10-29 |
A+25+10 | Loop the loop: Sphere, hoop, disk rolled down a looped track. | 2014-10-24 |
A+0+45 | Loop the loop: Sphere, hoop, disk rolled down a looped track. | 2014-09-22 |
A+25+10 | Loop the loop: Sphere, hoop, disk rolled down a looped track. | 2014-10-27 |
A+25+10 | Loop the loop: Sphere, hoop, disk rolled down a looped track. | 2014-10-20 |
A+25+10 | Loop the loop: Sphere, hoop, disk rolled down a looped track. | 2014-10-22 |
B+25+5 | Longitudinal wave model, hand-cranked. | 2014-12-01 |
B+10+5 | Large torsion pendulum with different diameter rods. | 2014-11-19 |
C+30+45 | Large model of aneroid barometer. | 2014-11-12 |
A+30+45 | Large gyroscope in a suitcase. | 2014-10-31 |
B+10+20 | Large damped oscillator (mass on spring) with various damping disks. | 2014-11-24 |
B+10+20 | Large damped oscillator (mass on spring) with various damping disks. | 2014-11-19 |
B+10+20 | Large damped oscillator (mass on spring) with various damping disks. | 2014-11-21 |
A+30+25 | Large conical aluminum top. | 2014-10-31 |
A+60+30 | Irregular shapes to determine center of mass using plumb bob. | 2014-10-17 |
B+10+75 | Inverted pendulum. | 2014-10-07 |
B+10+75 | Inverted pendulum. | 2014-10-06 |
B+10+75 | Inverted pendulum. | 2014-10-08 |
B+35+10 | Interference of sound waves from two speakers, same generator. | 2014-11-26 |
B+35+10 | Interference of sound waves from two speakers, same generator. | 2014-11-24 |
B+35+10 | Interference of sound waves from two speakers, same generator. | 2014-12-08 |
C+30+53 | Interconnected tube with immiscible liquids. | 2014-11-14 |
C+30+53 | Interconnected tube with immiscible liquids. | 2014-11-10 |
C+30+52 | Interconnected set of glass vases of different shapes. | 2014-11-10 |
C+30+52 | Interconnected set of glass vases of different shapes. | 2014-11-12 |
A+35+18 | Inelastic collisions: Another ballistic pendulum. | 2014-10-13 |
A+35+18 | Inelastic collisions: Another ballistic pendulum. | 2014-10-15 |
A+35+18 | Inelastic collisions: Another ballistic pendulum. | 2014-10-10 |
C+30+10 | Hydraulic jack with pressure gauge, breaks 2"x 2" piece of wood. | 2014-11-10 |
C+30+10 | Hydraulic jack with pressure gauge, breaks 2"x 2" piece of wood. | 2014-11-12 |
B+45+42 | Hoot Tube | 2014-12-08 |
A+30+30 | Gyroscopes; various. | 2014-10-31 |
C+25+11 | Glass standpipes with a constriction. Similar to C+25+10. | 2014-11-14 |
C+25+11 | Glass standpipes with a constriction. Similar to C+25+10. | 2014-11-07 |
B+45+5 | Giant tuning fork, barely audible, displayed with stroboscope. | 2014-11-21 |
B+30+0 | Fourier synthesis. | 2014-12-01 |
B+30+5 | Fourier decomposition: microphone and oscilloscope. | 2014-12-01 |
B+30+5 | Fourier decomposition: microphone and oscilloscope. | 2014-12-03 |
B+30+5 | Fourier decomposition: microphone and oscilloscope. | 2014-12-05 |
B+10+70 | Four pendulums on rod: Same mass, different lengths. | 2014-10-07 |
B+10+70 | Four pendulums on rod: Same mass, different lengths. | 2014-10-06 |
B+10+70 | Four pendulums on rod: Same mass, different lengths. | 2014-11-19 |
B+10+70 | Four pendulums on rod: Same mass, different lengths. | 2014-10-08 |
B+10+72 | Four pendulums on rod: Same length, different masses. | 2014-10-07 |
B+10+72 | Four pendulums on rod: Same length, different masses. | 2014-10-06 |
B+10+72 | Four pendulums on rod: Same length, different masses. | 2014-11-19 |
B+10+72 | Four pendulums on rod: Same length, different masses. | 2014-10-08 |
A+14+10 | Force table: Forces on a car on an adjustable inclined plane. | 2014-09-17 |
A+14+10 | Force table: Forces on a car on an adjustable inclined plane. | 2014-09-15 |
A+14+5 | Force table: Forces on a car on a horizontal table. | 2014-09-17 |
A+14+5 | Force table: Forces on a car on a horizontal table. | 2014-09-15 |
A+70+25 | Film loop: "Vector addition: Velocity of a boat", 3:35 min. | 2014-09-29 |
A+70+25 | Film loop: "Vector addition: Velocity of a boat", 3:35 min. | 2014-09-24 |
A+70+25 | Film loop: "Vector addition: Velocity of a boat", 3:35 min. | 2014-09-26 |
A+15+1 | Film loop: "The Cavendish experiment", 4:25 min. | 2014-09-24 |
A+15+1 | Film loop: "The Cavendish experiment", 4:25 min. | 2014-09-26 |
A+5+10 | Equal path lengths ball race. | 2014-10-01 |
A+35+5 | Elastic collisions: Seven steel balls roll on a wooden track. | 2014-10-13 |
A+35+5 | Elastic collisions: Seven steel balls roll on a wooden track. | 2014-10-10 |
A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2014-10-13 |
A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2014-10-15 |
A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2014-10-10 |
A+50+0 | Dropped and shot balls hit bench simultaneously. | 2014-09-05 |
A+50+0 | Dropped and shot balls hit bench simultaneously. | 2014-09-08 |
B+20+35 | Driven oscillations in a multiple spring-mass system. | 2014-11-19 |
B+20+0 | Driven harmonic oscillator: Motor driven mass on spring. | 2014-11-24 |
B+20+0 | Driven harmonic oscillator: Motor driven mass on spring. | 2014-11-21 |
A+60+25 | Disk (weighted off-center) rolls up inclined plane. | 2014-10-15 |
A+60+25 | Disk (weighted off-center) rolls up inclined plane. | 2014-10-17 |
A+55+10 | Cycloid disk draws path on chalkboard. | 2014-10-29 |
A+55+10 | Cycloid disk draws path on chalkboard. | 2014-10-24 |
A+55+10 | Cycloid disk draws path on chalkboard. | 2014-10-27 |
A+55+10 | Cycloid disk draws path on chalkboard. | 2014-10-20 |
A+55+10 | Cycloid disk draws path on chalkboard. | 2014-10-22 |
A+0+40 | Conical pendulum: Similar to A+0+35 with standard weights. | 2014-09-26 |
C+25+16 | Compressed air through funnel sucks in ball. | 2014-11-14 |
C+25+16 | Compressed air through funnel sucks in ball. | 2014-11-07 |
C+30+65 | Collapse 1 gallon metal can with vacuum pump. | 2014-11-10 |
A+0+59 | Chain lariat with hand drill or electric rotator. | 2014-09-22 |
A+0+59 | Chain lariat with hand drill or electric rotator. | 2014-09-24 |
A+0+59 | Chain lariat with hand drill or electric rotator. | 2014-09-26 |
A+60+45 | Center of mass of a baseball bat | 2014-10-15 |
A+60+45 | Center of mass of a baseball bat | 2014-10-17 |
A+60+32 | Center of gravity (toy) objects. | 2014-10-15 |
A+60+32 | Center of gravity (toy) objects. | 2014-10-17 |
C+30+35 | Cartesian divers: Pressure on cap sends divers sinking. | 2014-11-12 |
A+20+0 | Card snapped from under a weight by a leaf spring. | 2014-09-11 |
A+20+0 | Card snapped from under a weight by a leaf spring. | 2014-09-10 |
A+60+20 | Car hangs balanced by forces in mid-air over removable inclined plane. | 2014-09-12 |
A+0+50 | Candles rotating about an axis. | 2014-11-10 |
A+20+10 | Breaking thread above and below weight. | 2014-09-11 |
A+20+10 | Breaking thread above and below weight. | 2014-09-10 |
A+20+10 | Breaking thread above and below weight. | 2014-09-12 |
B+25+15 | Brass spring on white plastic sheet. | 2014-11-26 |
B+25+15 | Brass spring on white plastic sheet. | 2014-11-24 |
A+5+15 | Brachistochrone: Three balls falling along different trajectories. | 2014-10-01 |
A+5+15 | Brachistochrone: Three balls falling along different trajectories. | 2014-10-06 |
A+5+15 | Brachistochrone: Three balls falling along different trajectories. | 2014-09-26 |
A+5+15 | Brachistochrone: Three balls falling along different trajectories. | 2014-09-29 |
A+5+20 | Bowling ball pendulum swings back to nose. | 2014-10-01 |
A+12+0 | Blocks, with various surfaces slide on an inclined plane. | 2014-09-17 |
A+80+40 | Block and tackle: Bosun's chair. | 2014-09-19 |
C+25+5 | Bernoulli's principle: Ball suspended in air stream. | 2014-11-14 |
C+25+5 | Bernoulli's principle: Ball suspended in air stream. | 2014-11-17 |
C+25+5 | Bernoulli's principle: Ball suspended in air stream. | 2014-11-07 |
B+45+15 | Bell ringing in a jar evacuated with pump. | 2014-12-12 |
B+45+15 | Bell ringing in a jar evacuated with pump. | 2014-11-26 |
B+45+15 | Bell ringing in a jar evacuated with pump. | 2014-11-24 |
A+20+20 | Bed of nails | 2014-09-11 |
A+20+20 | Bed of nails | 2014-09-24 |
A+20+20 | Bed of nails | 2014-09-26 |
B+35+20 | Beats with tuning forks on tuned cavities. | 2014-12-08 |
B+20+30 | Beaker is broken by sound from speaker. | 2014-11-21 |
B+20+30 | Beaker is broken by sound from speaker. | 2014-11-24 |
B+20+30 | Beaker is broken by sound from speaker. | 2014-11-26 |
B+20+30 | Beaker is broken by sound from speaker. | 2014-11-19 |
A+35+0 | Balls of equal and unequal mass on strings, separated by a leaf spring. | 2014-10-13 |
A+35+0 | Balls of equal and unequal mass on strings, separated by a leaf spring. | 2014-10-10 |
A+50+35 | Ballistics car: Ball ejected from rolling car drops back in. | 2014-09-05 |
A+50+35 | Ballistics car: Ball ejected from rolling car drops back in. | 2014-09-08 |
A+35+17 | Ballistic pendulum: Suspended .22 rifle fires into suspended block. | 2014-10-15 |
B+10+15 | Ball rolling in a spherical dish on OHP. | 2014-10-07 |
B+10+15 | Ball rolling in a spherical dish on OHP. | 2014-10-06 |
B+10+15 | Ball rolling in a spherical dish on OHP. | 2014-10-08 |
B+10+50 | Ball on turntable rotates beneath synchronized pendulum . | 2014-11-17 |
A+5+0 | Ball on string mounts on blackboard and pivots on lower rod. | 2014-09-29 |
A+5+0 | Ball on string mounts on blackboard and pivots on lower rod. | 2014-10-01 |
A+0+10 | Atwood machine: Unbalanced weights on a pulley accelerate slowly. | 2014-09-12 |
C+30+17 | Archimedes' principle: weighing beakers in water. | 2014-11-10 |
C+30+17 | Archimedes' principle: weighing beakers in water. | 2014-11-12 |
C+30+15 | Archimedes' principle: Cup and plug on balance beam. | 2014-11-12 |
C+30+25 | Archimedes' principle: Aluminum and brass cylinders. | 2014-11-14 |
A+60+40 | Anatomical models: Skull, Arm, Leg | 2014-10-17 |
A+35+35 | Airtrack: Long track with two gliders coupled by a spring hoop. | 2014-10-15 |
B+35+5 | Acoustic interference with Quincke (trombone) tube and sonalert. | 2014-12-01 |
B+35+5 | Acoustic interference with Quincke (trombone) tube and sonalert. | 2014-12-03 |
A+0+20 | Acceleration of a steel ball down an inclined plane with metronome. | 2014-09-12 |
A+0+15 | A falling weight accelerates a car horizontally. | 2014-09-15 |
A+0+15 | A falling weight accelerates a car horizontally. | 2014-09-17 |
A+0+30 | A chain dropped onto a force plate. | 2014-09-29 |
A+0+35 | A ball swung on a string held by a sleeve. | 2014-09-19 |
A+0+35 | A ball swung on a string held by a sleeve. | 2014-09-22 |
A+55+0 | "Sweet Spot": Meterstick pivot point changes with point struck. | 2014-10-29 |
A+55+0 | "Sweet Spot": Meterstick pivot point changes with point struck. | 2014-10-22 |
A+55+0 | "Sweet Spot": Meterstick pivot point changes with point struck. | 2014-10-24 |
A+55+0 | "Sweet Spot": Meterstick pivot point changes with point struck. | 2014-10-27 |