DCRS

1048 results
1C20.10
"Coin and Feather" fall in an evacuated rotatable tube.
1G10.40
Atwood machine: Unbalanced weights on a pulley accelerate slowly.

Falling Slinky's bottom stationary until top reaches it
1G10.10
A falling weight accelerates a car horizontally.

Mass on scale is accelerated
1D50.60
Banked turns: slot car around an oval track
1C20.31
Acceleration of a steel ball down an inclined plane with metronome.
1C30.10
Timed free fall: Ball drops 2 meters through electronic timing gate.
1C20.30
Inclined airtrack with gliders and timing gates.

Inclined airtrack: Cart and ball accelerate in unison.
1G20.76
Cork float accelerometer: Cork and water in sealed flask.

A chain dropped onto a force plate.
1D50.10
A ball swung on a string held by a sleeve.
1D50.25
Conical pendulum: Similar to A+0+35 with standard weights.
1D50.40
Swing water in a bucket.
1D52.40
Candles rotating about an axis.
1D52.35
Mercury and colored water in a rotating glass vessel.
1D52.10
Flattening of the earth: Rotating brass hoops.
1D50.70
Rotating loop of chain rolls across bench.
1Q40.23
Mechanical governor device.
1Q60.50
Chain lariat with hand drill or electric rotator.

Film: "Zero G", sound, 14 min.

Film: "Conservation laws in zero G", sound, 14 min.

Film loop: "Inertial forces: Centripetal acceleration", 3:15 min.
1G20.60
Film loop: "Inertial forces:Translational acceleration", 2:05 min.

Java Applet: The Ramp
1M40.20
Loop the loop: Sphere, hoop, disk rolled down a looped track.

Java Applet "Moving ladybug shows vectors of motion"

Java Applet "Ladybug on Carousel shows vectors of motion"

Java Applet "Moving dot shows vectors of velocity and acceleration"

Java Applet "The Moving Man"

Java Applet "Moving car with graphed position to show linear sinusoidal motion"

Film Loop: "Worlds largest vacuumn chamber does coin and feather, 4:41 min"

Swinging mass M lifts mass 2M
1M40.40
.22 rifle fires vertically, bullet lifts small wood cylinder.

Applet: Collision Lab
1N20.30
Balls of equal and unequal mass on strings, separated by a leaf spring.
1H10.10
Two people in rolling chairs pushing and pulling
1N30.15
Elastic collisions: Seven steel balls roll on a wooden track.
1N30.10
Elastic collisions: Five hanging balls and two unequal hanging balls.
1M40.40
Ballistic pendulum: Suspended .22 rifle fires into suspended block.
1M40.41
Inelastic collisions: Another ballistic pendulum.
1N30.30
Three meter airtrack with gliders that rebound elastically, or stick.
1N40.21
Plastic pucks on air table.
1N40.10
Executive size pool table
4D30.20
Mechanical model of a gas: Vibrating balls strike piston on OHP.
1N20.25
Airtrack: Long track with two gliders coupled by a spring hoop.
1Q40.40
Train on circular track moves one way and track moves the other.

Film loop: "Colliding freight cars", 2:45 min.

Film loop: "Dynamics of a billiard ball", 4:00 min.

Meterstick suspended in mid-air by horizontal strings and weights.

Force on hinged beam measured with transducer.
1J40.70
Forces on crane boom measured with transducer.

Two transducers measure forces from centered hanging mass.

Same as A+60+15, but mass in different position.
1J30.10
Car hangs balanced by forces in mid-air over removable inclined plane.
1K10.50
Disk (weighted off-center) rolls up inclined plane.
1J10.12
Irregular shapes to determine center of mass using plumb bob.

Center of gravity (toy) objects.
1K10.30
Static equilibrium for a rope on a spool. Same as A+55+5.
1J10.09
Rotation about the center of mass: Object to throw.
1J40.75
Anatomical models: Skull, Arm, Leg

Tensegrity: The Impossible Table

Stability of ladder depends on weight distribution
1J10.26
Center of mass of a baseball bat

Applet: Motion of the Center of Mass

Stacking Blocks Extend Over Base
3A20.10
Mass on a spring.
3A10.10
Simple pendulum: Ball on a string.
3A10.30
Torsion pendulum with removable weights.

Compound pendulum: Meterstick with movable brass weight.
1Q10.20
Large torsion pendulum with different diameter rods.
3A15.20
Physical pendulum: Steel bar with two pivot points.
3A20.60
Ball rolling in a spherical dish on OHP.
3A50.10
Large damped oscillator (mass on spring) with various damping disks.
3A60.55
Clock spring oscillator: Electrically driven and damped.

Damped oscillations: Flat steel spring with removable weights.
3A80.40
Lissajous figures with laser and two signal generators.
3A80.21
Transparencies: Lissajous figures for OHP.

Java Applet: Simple Harmonic Motion & Uniform Circular Motion
3A40.20
Ball on turntable rotates beneath synchronized pendulum .

Java Applet: A-vector and V-vector arrows
3D46.15
Tuning forks, various.

Pocket watch with mirror and laser twitches with balance wheel motion.
3A10.14
Four pendulums on rod: Same mass, different lengths.
3A10.17
Four pendulums on rod: Same length, different masses.
3A60.60
Inverted pendulum.
3A10.17
Twelve pendulums: same mass, different lengths
3A80.40
Lissajous Figures created with a two tuning forks with mirrors

Applet: Masses and Springs

Applet: Pendulum Lab

Applet: Simple Harmonic Motion with and without Damping

Applet: Lissajous Figures

Moveable speakers create interference
3B50.55
Large wood model of a double slit with hinged waves.
3B55.40
Acoustic interference with Quincke (trombone) tube and sonalert.
3B55.10
Interference of sound waves from two speakers, same generator.

Interference between two ultrasound sources (40 kHz).
3B50.10
Interference in a ripple tank uses arc lamp or incandescent light.
3B60.10
Beats with tuning forks on tuned cavities.

Beats with two beer bottles blown manually.
3B60.20
Beats from two speakers observed on an oscilloscope.

Appet: Ripple Tank Simulation

Applet: Pinicple of Superposition (1)

Applet: Principle of Superposition (2)

Applet: Traveling Waves and Superposition -- Exercise Set 2

Applet: Stationary wave

Applet: Superposition of waves

Applet: Wave workshop

Applet: 2-D Wave Simulation

Applet: 3-D Wave Simulation

Applet: Sound Wave Interference
3C20.16
Steel spring pendulum, inverted, vibrates at 10 Hz.
3D46.40
Giant tuning fork, barely audible, displayed with stroboscope.
3B30.01
Ultrasound transducers (40 kHz) as both sources and receivers.
3B30.30
Bell ringing in a jar evacuated with pump.
3C20.40
Savart's wheel: Toothed wheel and cardboard or air jet.
3C20.30
Siren: large, electric motor driven.
3C20.30
Compressed air jet blows through spinning disk with holes.
3D30.35
Twirling Tube
3C20.40
Sprockets on shaft rotate against a card to make sound.

Caruga horn: Varigated tube to blow through
3D30.70
Hoot Tube
3C20.15
Galton's whistle: Compressed air whistle.
3D30.40
Helmholtz resonators drive radiometer vanes, using tuning forks.
3C50.12
Casio electronic synthesizer with amp and speaker.

Feedback from microphone/speaker system.
3D30.40
Helmholtz Resonators with tuning forks and a candle

Applet: Vibrational Behavior of an Empty Beer Bottle

Applet: Vibrational Modes of a Tuning Fork

Driven standing waves with different mass/unit length strings.

Applet: Group Velocity Demonstration
3B22.60
Model of longitudinal standing wave, hand-cranked.
3B22.10
Rope and strobe: Transverse standing waves, motor driven.
3D30.50
Ruben's tube: Standing sound waves in flames along a large pipe.
3D32.10
Set of eight organ pipes to make a major scale.
3D32.25
Tunable organ pipe.

Set of ten suspended metal rods struck with a wooden mallet.
3D40.10
Xylophone.
3A60.50
Unbalanced spinning wheel vibrates spring steel reeds.
3D20.10
Sonometer: Resonant chamber with bowed strings (2).
3B10.30
Torsion wave model.

Applet: Longitudinal and Transverse Wave Motion

Applet: Standing Waves

Applet: Transverse and Longitudinal waves

Applet: Longitudinal Waves - 1

Applet: Standing logitudinal waves

Applet: Standing Wave (Explanation by Superposition with the Reflected Wave)

Applet: Fourier Synthesis

Applet: Superposition of waves

Faucet for demonstration

Siphon from one beaker to another

Marriote’s Bottle. Vertical standpipe with constant water pressure

Pythagorean Cup and self starting siphons

Large sphere surrounded by small spheres rises to surface

Bernoulli effect: objects drawn together
2C20.80
Flettner rotorcar blown with fan.

Smoke Ring Generator
2C50.15
Airzooka
2C20.30
Bernoulli's principle: Ball suspended in air stream.

Glass standpipes: Water flows through tube, heights vary.
2C20.15
Glass standpipes with a constriction. Similar to C+25+10.
2C20.20
Glass aspirator: Compressed air draws colored water up glass tube.
2C20.35
Compressed air through funnel sucks in ball.

Compressed air attracts card with pin to holder.
2C20.10
Venturi meter: Manometer tubes on tapered wind tunnel tube.

Pitot tube inserted in wind stream with manometer indicator.
2C20.53
Two roof models, hinged, placed in wind stream.
2C40.63
Video camera shows fluid flow around various objects.
2C10.10
Water in vertical standpipe with holes at different heights.
2B60.60
Hydraulic ram water pump, working model.
2C50.30
A water vortex in two soda bottles joined vertically.
4F10.30
A vortex tube seperates compressed air into jets of hot and cold air.

Applet: Fluid Pressure and Flow

Applet: Vector Fields

Applet: Faraday's Law

Extreme Spin on Launched Ball

Illustration of buoyancy and drag force

Fist in and out of water

Drag demo with coffee filters

Interconnected tube of various elevations with immiscible liquids.

Ice is sliced in two by wire creating high pressure.

Mat held down by atmospheric pressure.

Incompressibility of water in two different sized syringes
2B20.10
Revolving 'drumhead' with manometer shows pressure in water tank.
2B30.30
Magdeburg's hemispheres(cast iron) evacuated, can't be separated.
2B20.60
Hydraulic jack with pressure gauge, breaks 2"x 2" piece of wood.
2B40.20
Archimedes' principle: Cup and plug on balance beam.

Archimedes' principle: weighing beakers in water.

Archimedes' principle: Fish submerged in water on balance beam.
4B40.14
Archimedes' principle: Aluminum and brass cylinders.

Film loop: "Archimedes' principle", 3:40 min.
2B40.30
Cartesian divers: Pressure on cap sends divers sinking.
2B35.15
Torricelli Barometer: Column of mercury in bell jar.
2B35.40
Large model of aneroid barometer.
2B20.42
Pascal's vases: Water in removable vases with pressure gauge.
2B20.40
Interconnected set of glass vases of different shapes.

Interconnected tube with immiscible liquids.

Working model of the lung: Balloons in a bell jar over a diaphragm.
2B30.36
Suction cup holds large mass suspended from heavy glass plate.
2B30.25
Collapse 1 gallon metal can with vacuum pump.
2B30.70
Vacuum Cannon
2B40.40
The weight of air.

Vacuum hoist, working model.

Inversion table and blood pressure monitor

Applet: Buoyancy

Applet: Density

Applet: Fluid Pressure and Flow

Applet: Buoyant Force

Applet: More Buoyancy
4D30.20
Mechanical model of a gas: Vibrating balls on OHP.

Hexstat probability device.
4D30.10
Mechanical model of a gas: Vibrating balls strike piston on OHP.
4D10.10
Brownian motion: Smoke particles viewed using TV camera.
4D10.20
Brownian motion: Like C+55+0, with an aluminum disk added.
4D30.40
Stoekle's apparatus: Heated tube with mercury and glass bits.
4B10.70
Ruchardt's tube: Ball oscillates in a vertical glass tube on jug.

Diffusion of Ammonia and HCl.
4D50.20
Osmosis of helium through semi-porous cup.
2C30.10
Viscosity of air: One rotating disk drives another.
3B30.50
Breathe helium, voice pitch rises; breathe SF6, voice pitch lowers.

Equipartition of Energy: Different mass balls bounce out at different times.

Applet: Gas Properties

Applet: A molecular explanation of pressure

Applet: Brownian motion

Applet: Maxwell's Demon
4E10.11
Galileo's air thermometer forces liquid down when heated.
4A30.61
Heated iron wire stretches, rotates pointer.
4A30.60
Heated horizontal nichrome wire stretches, weight sags.
4A30.30
Heated steel rod expands, raises pointer,breaks pin on cooling.
4A30.21
Ring and ball: Ball fits through ring only after ring is heated.
4C20.20
Ice bomb: Iron sphere ruptured by freezing water.

Heating a rubber band: negative coefficient of thermal expansion

Cubic coefficient of expansion: Dissectable wooden cube.
4B60.70
Steam gun: Friction heated water in tube shoots a cork.

LN2 in a model cannon shoots a cork.
4A30.10
Bimetallic strip: Brass/invar strip curves when heated.
4A30.11
Bimetallic switch: Change in temperature lights cold/hot lamps.
4C33.50
Franklin's pulse glass: Two glass bulbs and tube containing ether.
4C31.40
Dippy bird: Large glass bird containing ether oscillates.
4B70.31
Piston and cylinder compress/expand air measuring temp. and pressure.
4B70.10
Fire syringe: paper is ignited in a cylinder with a piston.
4C20.45
CO2 fire extinguisher: Expanding gas freezes into snow.
4B70.20
Cooling by expansion: Jar with water compressed with air.
4C30.25
Hot water geyser, runs 5-10 min.
4E20.10
Boyle's Law: At constant T, Pressure times Volume is a constant.
4E30.10
Gay-Lussac's Law: At constant V, Pressure is proportional to Temperature.

Charles' Law: At constant P, Volume is proportional to Temperature.

Grain Silo explosion: A cloud of power is ignited and blows lid off of can.

Energy Stored in Dielectric

Attraction between plates of a capacitor causes attachment of plates when insulator is introduced.

Attraction between horizontal plates of a charged capacitor.
5C10.10
Various capacitors to show.
5C20.10
Parallel plate capacitor with dielectric materials and electroscope.

Capacitor doorbell driven by Van de Graaff generator.
5C30.42
Series capacitor array.

Parallel capacitors array: A charged capacitor charges the others.
5F30.12
Visual charge/discharge of a capacitor through a load.
5F30.20
Computer demo: Charge/discharge of a capacitor, runs at least 1 min.
5C30.30
Discharging a capacitor through a lamp.

Capacitors with a series neon bulb on A.C. and D.C.

Capacitor in series in an audio circuit: High pass filter.

Effects of changing a D.C. voltage in a series RC circuit.

Capacitor in parallel in an audio circuit: Low pass filter.

Capacitor in parallel in a D.C. circuit.

Energy storage in a commercial capacitor. Loud bang!
5F30.60
Oscillator made with resistor, capacitor and neon lamp.

Same as D+0+30 using speaker for audio tone generation.
5F30.60
Same as D+0+30 using oscilloscope to display waveform.
5C20.21
Force on a dielectric in a capacitor

Applet: Capacitor Lab

Applet: Circuit Construction Kit (AC+DC), Virtual Lab

Applet: Water Droplets in Electric Field

Applet: RC Circuits

Applet: CR Filter's Response (Analog)
5L20.20
Resonance in a series LCR circuit using 120 v.a.c.
5L20.21
LCR paradox
5L20.11
LCR series resonance curve of V vs. F (2 - 20kHz) on an oscilloscope.

High frequency filtering using a capacitor and inductor.

Crystal radio circuit for AM reception.

Damped oscillations in a resonant LCR circuit on an oscilloscope.
5N10.60
85 MHz radio transmitter, with indicating lamp on dipole antenna.

Seibt effect: Wire wound glass tube with 510 transmitter.
5N10.50
Standing waves on two parallel wires, with 510 transmitter.

Lodge's experiment: Spark gap radio transmitter and receiver.
5N30.31
3 cm. microwave klystron oscillator with cavity and waveguides.
5N30.30
3 cm. microwave transmitter and receiver.

Magnetron assembly to show.
1N10.55
Waveguide pieces to show.

Standing waves (micro or sound) in an adjustable cavity.

AM and FM Demonstration(minimum 24 hr notice required).

Wall chart of electromagnetic spectrum.
5N10.80
Plexiglas model of electromagnetic wave.

LEDs oscillate in stored energy LC circuit.

Applet: Radiating Charge

Applet: Radio Waves & Electromagnetic Fields

Applet: Electrodynamics Simulation

Applet: Electromagnetic Wave Propagation

Applet: The Field of a Moving Charge

Applet: Antenna Simuulation

Alternate charge resides on outside of conductor

Like Charges Attract

Polarization of can causes rolling

Vector arrows to show electric field and particle motion

Electric fields: Lines of force shown on an OHP.

Transparency: Mapping of an electric field.
5A20.20
Pith balls on thread, with positive and negative charged rods.
5A20.22
Attraction and repulsion of charged styrofoam balls.
5A10.10
Braun and Leaf electroscopes.

Discharging an electroscope through ionization
5B20.10
Faraday's ice pail: Charge induced on the outside of a pail.

Charge resides on the outside of a conductor.
5B20.35
Faraday cage: blocks signal from portable radio
5A40.16
Charging an electroscope by induction.
5A10.35
Separation of charge using electrical tape and an electroscope.
5A10.20
Electrophorous: Cat fur on teflon, acetate on lucite.
5A50.30
Van de Graaff generator.
5A50.10
Wimshurst machine, large or small.
5B10.15
Electrostatic pinwheel:Van de Graaff makes pinwheel spin.
5C30.10
Various Leyden jars to show.

Electrostatic doorbell: Ball bangs between charged plates.
5A40.70
Kelvin water drop electrostatic charge generator.
5B30.40
Electric field created by Van de Graff splits ions in flame

Applet: Charges and Fields

Applet: Electric Field Hockey

Applet: Electric Field of Dreams

Applet: John Travoltage

Applet: Balloons and Static Electricity

Applet: 3D Electrostatic Field Simulation

Applet: Field and potential produced by point charges

Applet: Electrostatics Visualizations - The Charged Metal Slab

Applet: Electric Field

Electrostatics Index

Applet: Electrostatics Simulation

Applet: 2-D Electrostatic Field Simulation

Jumping Rings with AC or DC driving
5K10.20
Bar magnet induces current in a coil, shown on galvanometer.

Oscillating magnets in coupled coils
5K10.10
Elementary generator: Bar moved in magnetic field.
5K10.60
Earth inductor: Coil spun in Earth's field makes voltage.
5K40.20
Generator: Coil with DC commutator rotates between magnets.
5K40.20
Alternator: Coil with AC commutator rotates between magnets.
5K40.80
Hand-cranked AC alternator powers 120 volt lamp.
5K40.80
Hand-cranked DC generator powers 120 volt lamp.
5J10.20
Back EMF in a series DC motor with large flywheel.

Eddy currents: Copper disk rotates over a spinning bar magnet.
5K20.10
Damped pendulum: Swinging metal disks damped in magnetic field.
5K20.30
Jumping rings: High current AC coil causes rings to jump.

Skin effect: Metal sheet shielding varies with frequency.
5K20.41
Levitator: Aluminum dish floats four inches off platform.
5K20.25
Eddy currents:Small magnet slowly drops between aluminum rails.
5K20.25
Eddy currents: Neodymium Magnet Drop.
5K10.24
Demonstration of dependence of number of coils on induced flux

Equivalence of large and small loops around enclosed flux

Flux through loop. EMF depends on position of the meter?

Magnet inserted and withdrawn from copper ring causes ring to swing

Applet: Faraday's Electromagnetic Lab

Applet: Faraday's Law

Applet: Genereator

Applet: The Falling Ring with Finite Resistance

Applet:Visualizing Electricity and Magnetism at MIT

Applet: Light Index

Electromagnet with removable core
5H.40
Force on current carrying wire in a magnetic field
5G10.16
Suspended magnetic lodestone on string.
5H10.11
Large compass needle on stand.
5H10.15
Dip needle compass.

Earth model with internal magnet and pivoting probe magnet.
5H10.30
Iron filings and permanent magnets to show field on an OHP.
5H10.25
Compass needle shows field around a high current wire on bench top.
5H15.10
Iron filings around a high current vertical wire on OHP to show field.
5H15.10
Iron filings around a current carrying coil on OHP to show field.

Magnetic field around a solenoid with pivoting probe magnet.
5H40.10
Ampere's law: Currents in parallel wires attract or repel.
5H40.30
Force on a current carrying wire in a magnetic field.
5H40.71
Elementary motor: Bar on rails over solenoid with core.

Torque on coil suspended between two magnets.
5H30.15
Vacuum tube with screen shows cathode rays bent with a magnet.

Elementary motor: De La Rive Tube - out of service
5H30.21
E/M tube: Circular bending of an electron beam in a magnetic field.

Hall effect: Magnetic field induces a voltage in a neon plasma.

Applet: Magnet and Compass

Applet: Magnets and Electromagnets

Applet: Current Loop

Applet: Force on Moving Charges

Applet: Magnetostatics Index

Applet: Magnetic Field

Applet: 3-D Magnetostatic Field Simulation

Conductivity of solution with free ions
5F20.55
Resistance boards: Series, parallel, Wheatstone bridge.
5F15.16
Watt's law: Variable resistor, glow coil, volt and amp meter.
5F15.35
High current melts the fuse wire.
5D20.15
Resistance thermometer: Iron coil in liquid Nitrogen and flame varies current.
5D20.30
Effect of temperature on current in carbon or tungsten filaments.

Large tungsten filament lamp; as it heats, current drops.
5F30.60
Oscillator with resistor, capacitor and neon lamp.

Same as D+55+12 using speaker for audio tone generation.
5F30.60
Same as D+55+12 using oscilloscope to display waveform.

Film: "Elementary electricity", sound; 8 min.
5D10.40
Resistor analog: Marbles cascading down pin board.

Applet: Battery-Resistor Circuit

Applet: Conductivity

Applet: Kirchhoff's Rules (Circuit 2)

Applet: Circuit Construction Kit (AC+DC), Virtual Lab

Applet: Ohm's Law

Applet: Resistance at the Molecular Level

Limit of Resolution: Blue or Red LEDs that can be brought together
6Q20.10
Laser beam diffraction off coil and being reassembled (DNA analysis simpulation a la Rosalind Franklin's experiment)
6C10.10
Single slit diffraction using laser beam through adjustable slit.
6D20.10
Laser beam through sets of 1, 2, or multiple electro-formed slits.
6C20.30
Airy's disk: Pinhole diffraction using laser beam.
6C20.15
Diffraction about pinhead, razorblade, wood screw using laser.
6C10.50
Microwave diffraction by a large adjustable iris.
6C20.45
Microwave zone plates.
7A60.50
Bragg diffraction using microwaves and steel balls in foam cube.
6C10.15
Two points of light diffract through an iris, shown with T.V. camera. (RETIRED)
6J10.80
Limit of resolution: Two small lamps on adjustable slide.
6C20.10
Poisson's spot: Interference pattern within circular shadow.

Applet: Diffraction

Applet: Single-Slit Difraction
3B50.55
Large wood model of a double slit with hinged waves.
3B50.12
Ripple tank with plane or spherical water waves and barriers.
6D10.20
Microwave interference with single and double slits.
6D20.10
Laser beam through various slit and grating combinations.

Red/green/blue line source viewed with double slit paddles.
6D30.30
Thin film interference with optical flats and sodium lamp.
6D30.10
Newton's rings by transmission or reflection on arc bench.
6D30.10
Same as E+25+30, using Hall's prism.
6D30.20
Soap film interference: The soap bubble experiment on arc bench.
6D30.65
Oil film interference on water.
6D30.40
Thin film interference with mercury light on mica sheets.

Laser projected through Fabry-Perot interferometer shows pattern.
6D40.27
Lloyd's mirror: Laser beam interferes with reflection from glass.
6D40.10
Michelson interferometer fringes with laser or white light.
6D40.20
Microwave interference by multiple reflection.

Applet: Michelson-Morley Experiment

Applet: Interference of Waves

Applet: Double slit experiment

Applet: Interference of Light at a Double Slit

Real images: Lighted ‘F-object’ and an astygmatic lens.

Real images: Lighted ‘F-object’ and a cylindrical lens.

Air, glass and water lenses in water tank with arc lamp.
6A10.10
Blackboard optics: Light sources with lucite lenses.
6A60.31
Real images: Lighted arrow image and various lenses.

Cylindrical lens of lucite with words "DIOXIDE GLASS".
6A65.70
Fresnel lenses to show.
6A65.20
Large lens shows chromatic aberration on screen using arc lamp.
6A65.30
Pincushion and barrel distortion of lenses using arc lamp.

Cylindrical aberration: Wooden model.
6A70.20
Astronomical telescope: Using objective and eyepiece lenses.
6A70.10
Galilean telescope: similar to E+30+45.
6A70.10
Compound microscope is assembled from lenses.
9A30.20
Lantern slide projector with removable housing.
6J10.21
Model of the eye, with near/far sight lenses, using arc lamp.

Applet: Geometric Optics

Applet: Thin Lens

Applet: Two thin lenses

Applet: Spherical Thin Lens in Gauss' Condition

Applet: Auto-colimation Method

Applet: Bessel Method

Applet: Badal Method

Applet: Vision Corrections

Applet: Setting the reticulated bezel

Applet: Astronomical Telescope

Applet: Galileo's Telescope

Applet: The Microscope

Shape of Reflection depends on shape of mirror
6A10.11
Arc lamp and mirror on large disk rotate showing beam angles.
6A10.10
Blackboard optics: Light sources with plane and curved mirrors.
6A10.60
Phantom lightbulb: Image in a plane mirror.

Hand held plane mirror and right angle mirror.
6A10.40
Variable angle mirror assembly with candle.
6A10.45
Barbershop mirrors:Parallel mirrors with light bulb.

Retrodirective reflector: Silvered right angle prism, using laser.
6A20.40
Reflections from concave and convex mirrors with lighted arrow.
6A20.30
Phantom bouquet: Real image from a concave mirror.
6A20.35
Clam shell mirrors: Floating coin illusion.
6A20.60
Concave mirrors focus candle flame on thermopile across bench. (same as 650)
6A20.60
Light the Match (same as C+65+2).

Applet: Thin Lens (converging/diverging lens/mirrors)

Applet: Plane Mirror

Applet: Spherical mirror: study of stigma

Applet: The Newton telescope

Applet: The Cassegrain telescope

Shiny object turns black viewed through linear polarizer and quarter wave plate
6H10.30
Two picket fence sections with slats and rope to make waves.
6H10.20
Microwaves with grid. Transmitter and receiver are polarized.
6H20.20
Malus experiment: Polarization by reflection off glass surface.

Polarization of light by internal reflection: Fresnel rhomb.
6H20.40
Polarization of light through a pile of glass plates, using arc lamp.
6H10.10
Commercial Polaroid filters on an OHP.

Plaster models of positive and biaxial crystals.

Two tourmaline crystals act as polaroids, using arc lamp.
6H35.10
Light through polaroid and calcite, using arc lamp.

Model of a calcite crystal.
6H35.30
Light through Nicol prism and Nicol analyzer, using arc lamp.
6H35.52
Quartz prisms give a single and double spectrum, using arc lamp.
6H35.50
Polarized light and stressed lucite on an OHP.
6H30.41
Optical rotation of polarized light by sugar solution, using arc lamp.
6H30.30
Optical rotation by sugar solution produces barber pole, using arc lamp.

Mechanical model to show circular polarization; hand-cranked.
6H35.40
Circular polarization with quarter wave plate, using arc lamp.

Circular polarization of microwaves by elliptical metal tube.

Circular polarization of microwaves: With reflector and grids.

Polarized light thru Karo syrup shows dark bands, using arc lamp.

10_ retarder plate makes dark bands in spectrum, using arc lamp.
6H50.10
Sunset: solution in tank scatters blue light, using arc lamp.
6H35.17
Visible nodes and antinodes in linearly birefringent plexiglass rod.

Applet: Polarization of Light (3-D Version)

Glass cube demonstrates reflection, refraction, and total internal reflection.

Displacement of a beam passing through a thick plate of glass.

Indices of Refraction: glass in glycerin and phantom crystals.
6A44.20
Total internal reflection/critical angle: Nakamura water tank.
6A46.10
Rainbow: Refraction of white light by a liquid sphere.
6A44.40
Light pipes and fiber optic flashlight.
6A44.45
Water fiber optic
6A44.40
Flexible light pipe using arc lamp.

Fiber optic cable transmits picture from slide to video monitor.

Microwave analogy of the light pipe using flexible metal tubing.
6A10.18
Reflection of microwaves off an aluminum plate.
6A40.40
Variable index of refraction: laser beam bends in water tank with sugar.

Applet: Reflection of a sin wave

Applet: Bending light

Applet: Refraction and Reflection

Applet: Specular and Diffuse Reflection

Applet: Refraction of Light

Applet: Reflection and Refraction

Applet: Physics of Rainbows

Applet: The world above the water, as seen by a fish

Applet: Diopter: a study of refraction

Applet: Spherical surface: a study of refraction

Primary and Secondary Bow of a Rainbow

Applet: Zen Photon Garden

B+20+30

"Plum pudding": Corks with magnets float in bowl/solenoid on OHP.