Engineering
K7-42: BARRICADE FLASHER
Category: K7 RLC Circuits
Purpose:
Demonstrate a barricade flasher circuit.
K2-47: SPEEDOMETER MODEL
Category: K2 Electromagnetic Induction
Purpose:
Demonstrate operating principle of some speedometers.
J7-31: VISIBLE HARD DRIVE
Category: J7 Magnetic Materials
Purpose:
See what the guts of a fixed magnetic drive look like.
F5-31: MAGNUS EFFECT - FLETTNER'S SHIP
Category: F5 Forces in Moving Fluids
Purpose:
Demonstrate the Magnus effect.
G1-54: MASS'S DOUBLE PENDULUM
Category: G1 Simple Harmonic Motion
Purpose:
Demonstrate the transition of potential energy into energy of oscillation of the pendulum, and the operation of an escapement.
F4-53: ARCHIMEDES' SCREW
Category: F4 Fluid in Motion
Purpose:
Demonstrate a pump mechanism invented by Archimedes.
F4-51: VACUUM PUMP MODEL
Category: F4 Fluid in Motion
Purpose:
Illustrate how a mechanical vacuum pump works.
F2-12: HOT AIR BALLOON
Category: F2 Buoyancy
Purpose:
Show that hot air is less dense than cold air by operating a hot air balloon.
F1-14: PISTON DIAMETER VS TRAVEL - WORKING MODEL
Category: F1 Pressure in Static Fluids
Purpose:
Show that with an incompressible fluid the bigger piston moves more slowly than the smaller piston.
F1-11: HYDRAULIC PRESS
Category: F1 Pressure in Static Fluids
Purpose:
Demonstrate dramatically Pascal's Law and the large forces attainable using hydraulic systems.
D4-21: SHIP STABILIZER
Category: D4 Gyroscopes
Purpose:
Demonstrate how a gyroscope can stabilize the rocking of a ship.
D2-12: TOPPLING CHIMNEY
Category: D2 Moment of Inertia
Purpose:
Demonstrate how a toppling chimney breaks up.
B4-14: ELASTIC LIMIT OF WIRE
Category: B4 Elasticity
Purpose:
Demonstrate the variation in tensile strength with wire diameter.
E2-42: TELESCOPE MODEL
Category: E2 Astronomy
Purpose:
Show how a telescope can view any point in the sky using a universal mount.
B1-16: CORBELED ARCH
Category: B1 Center of Mass Statics
Purpose:
Illustrate how the center of mass affects the stability of an arch
A2-32: HEIGHT MEASUREMENT BY TRIGONOMETRY
Category: A2 Mathematics
Purpose:
Determine the height of a student using trigonometry
A1-43: CROSSING RODS
Category: A1 Basic Materials and Measurement
Purpose:
Visualize three-dimensional figures
A1-42: DRAWING PUZZLE - HALF CUBE
Category: A1 Basic Materials and Measurement
Purpose:
Visualize three-dimensional figures
A1-41: DRAWING PUZZLE - INTERSECTING RODS
Category: A1 Basic Materials and Measurement
Purpose:
Visualize three-dimensional figures
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K2-01 EARTH INDUCTOR
Induces an emf by moving a coil through Earth's magnetic field
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K2-02 INDUCTION IN A SINGLE WIRE
Demonstrates magnetic induction
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K2-03 FARADAY'S EXPERIMENT ON INDUCTION
Demonstrates the induction between two coils
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K2-04 FARADAY'S EXPERIMENT - EME SET - 20, 40, 80 TURN COILS
Shows that the induced current is proportional to the number of turns in the secondary coil
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K2-05: FARADAY'S EXPERIMENT - CONCENTRIC COILS
Demonstrate mutual induction Read More
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K2-11: SELF-INDUCTION
Demonstrate self-induction Read More
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K2-12: SELF-INDUCTION - DEMOUNTABLE TRANSFORMER
Demonstrate back-EMF in an inductor Read More
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K2-21: RUHMKORFF INDUCTION COIL
Demonstrate induction of a very high voltage using a small voltage source Read More
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K2-22 INDUCTION COIL WITH LIGHT BULB
Demonstrates magnetic induction with 110 VAC Read More
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K2-24: MUTUAL INDUCTION
Demonstrate mutual induction Read More
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K2-25: MUTUAL INDUCTION - DEMOUNTABLE TRANSFORMER
Demonstrate mutual induction and to show the effect of various core materials Read More
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K2-26: MUTUAL INDUCTANCE STANDARD
Demonstrate the standard for mutual inductance Read More
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K2-27: MUTUAL INDUCTION - M12 eq M21 MEASUREMENT
Demonstrate that the mutual inductance between two coils is independent of which one is the primary Read More
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K2-28: DEMOUNTABLE TRANSFORMER - 10 KV ARC
Demonstrate that a large voltage increase is attainable using a transformer Read More
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K2-29: COIL AND MAGNET WITH LED SENSOR
Demonstrate that the sign of the induced voltage depends on the direction of the field as well as whether the… Read More
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K2-40: MAGNETIC ACCELERATOR
Demonstrate magnetic potential energy Read More
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K2-41: LENZ'S LAW - ROLLING RODS
Demonstrate eddy currents and Lenz's law
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K2-42 LENZ'S LAW - MAGNET IN ALUMINUM TUBE
Demonstrates Lenz's law
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K2-43: LENZ'S LAW - PERMANENT MAGNET AND COILS
Demonstrates Lenz's law
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K2-44 EDDY CURRENT PENDULUM
Shows the damping of pendula due to eddy currents
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K2-45: EDDY CURRENTS - MAGNET AND SOFT DRINK CAN
Demonstrate eddy currents and Lenz's law Read More
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K2-46: MAGNET LEVITATION ABOVE SPINNING DISC
Demonstrate Lenz's law in a dramatic way Read More
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K2-47: SPEEDOMETER MODEL
Demonstrate operating principle of some speedometers Read More
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K2-48: EDDY CURRENT MOTOR`
Show the use of eddy currents in producing a motor with few moving parts and no electrical brushes Read More
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K2-49: MAGNETIC STIRRER
Illustrate how a magnetic stirrer works Read More
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K2-61 THOMSON'S COIL
Demonstrates a number of concepts in magnetic induction
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K2-62 CAN SMASHER - ELECTROMAGNETIC
Blasts a cola can into two pieces using electromagnetism
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K2-63: DISPLACEMENT CURRENT MODEL
Illustrate the geometry for displacement current Read More
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K2-64: UNIPOLAR GENERATOR
Demonstrate unipolar generation of DC voltage, which may involve an explanation other than electromagnetic induction Read More
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K2-65: INDUCTION AND CAPACITOR FLASHLIGHT
Demonstrate a weird but high-tech method for constructing a flashlight Read More
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