College of Liberal Arts & Sciences
7-00.01 - Nano Materials Class
Class Notes - Folder
Websites
Classroom Demonstrations
- 1A60.10 - Powers of 10 video
- 1N30.10 - Newton's Spheres, Clackers - to help with the 5G10.55 Gauss Rifle explanation
- 1N40.60 & 4A40.30 - Superball - room temperature and Liquid Nitrogen temp & Liquid Nitrogen - Ball, Rubber Tube, and Lettuce
- 1R50.20 - Crystal Models and Lattices - crystal structures, zeolite structures, molecular sieves
- 1R50.40 - Faults in a Crystal - grain boundaries
- 2A10.15 - Submerged Float - surface tension
- 2A10.20 - Surface Tension - Floating Metals - surface tension and surfactants
- 2A10.40 - Surface Tension - Lycopodium Powder - surface tension and surfactants
- 2A10.50 - Double Bubble Paradox - area and surface tension
- 2C10.10 - Three Hole Can Experiment - Velocity of Efflux - flow rate and drag
- 2C20.23 - Coanda Effect - Bernoulli Bags - entrainment and Bernoulli force
- 2C20.30 - Coanda Effect - Ball in an Air Stream - entrainment and Bernoulli force
- 2C20.40 - Plates and Weights - entrainment and Bernoulli force
- 2C20.48 - Coanda Effect - Magnetic Ping-Pong Ball - entrainment and Bernoulli force
- 2C20.80 - Magnus Effect - Flettner Rotator - entrainment and Bernoulli force
- 2C30.50 - Terminal Velocity - viscosity and drag
- 2C30.65 - Terminal Velocity - Coffee Filters - viscosity and drag
- 2C60.00 - Non-Newtonian Fluids - drag forces across chains vs. drag force with air
- 3A95.59 - Belousov-Zhabotinsky Reactions - clock reactions - Entry is in the Chaos and Rube Goldberg section
- 3B10.20 - Wave Demo - Slinky - also tie a block to a Slinky and then wave the Slinky hard to make the block move
- 3B22.11 - Standing Waves in a String - Melde's Experiment - show nodes
- 3B22.30 - Wave Demo - Wave Machines - Electrons are waves
- 3B50.20 & 3B50.40 - Ripple Tank & Moire' Transparancies - Interference of Water Waves
- 3E20.10 - Loudspeakers - Nanotube Loudspeakers
- 4C45.15 - Nitinol Wire - Shape memory alloys - temperature leads to change in shape
- 4D10.10 - Brownian Motion - engines of healing - molecular machines
- 4D20.10 - Radiometer - light pressure or heat pressure
- 4D30.38 - Kinetic Theory of Gases Demos - Ping Pong Balls - Thermal Noise
- 4D40.10 - Mono0molecular Layer - molecular dimensions
- 4D50.70 - Permeable Membrane - Osmosis - diffusion and osmosis
- 4F30.01 - Hero's Engine - asymemetry produced by the direction the nozzles point - if inside and outside temperatures are the same the engine does not turn
- 4F30.20 - Steam Engine - pressure makes the wheel turn
- 5A10.10 - Electrostatic Charges
- 5A20.20 - Electrostatics - Pith balls, Balloons
- 5A20.10 - Electrostatics - Rods and Pivots - Attraction & Repulsion
- 5A22.93 - Electroscope - FET - field effect transistor with LED's responding to charges
- 5A50.30 - Van de Graaff Generator - Arcing
- 5B10.31 - Volta's Hailstorm - Jumping Particles
- 5B10.45 - Electrorheological Liquid - electric field control of reactions
- 5B10.58 - Van de Graaff - Fluorescent & Neon Light
- 5B20.30 - Faraday's Cage - Electroscope - Shielding
- 5C20.22 - Forces on a Dielectric - increased voltage leads to the dielectric oil climbing between the electrodes - rather than put the energy into putting charges on the electrodes the energy is put into overcoming the gravitational field for the oil
- 5D10.15 - Resistors - Characteristics of Tapered Resistors - battery power indicators which are made from OLED's
- 5D10.60 - Burn a Resistor - too much current blow a resistor
- 5D20.10 - Temperature Dependence of Resistance - Wire Wound Resistors - Cool resistor in Liq. N2 and light bulb glows brighter
- 5D20.60 - Conductivity of Glass - ordinarily insulating materisl become conducting at high temperatures
- 5D30.30 - Pickle Light - Electrocute a Pickle - electricity goes through organic materials
- 5D40.61 - Arcing of Two Electrodes - voltage between two electrodes is high leading to arcing
- 5E60.12 - Piezoelectric Crystal Demo - Electric fields yields mechanical motion
- 5F10.10 - Ohms Law - 2 small and 2 large resistors - two configurations - 2 small and 2 large in series and these combined in parallel - two parallel paths both with one small and one large resistor in series
- 5G10.11 - Refrigerator Magnets & Floppy Disks - fields of a refrigerator magnet with liquid crystal sheets
- 5G10.55 - Magnetic Linear Accelerator - Gauss Rifle - accelerating magnetic interactions
- 5G20.10 - Barkhausen Effect - pickup coil to detect the noise when domain switches
- 5G20.21 - Magnetic Domain Apparatus - crystalline anisotropy
- 5G20.70 - Electromagnet - run an electromagnet
- 5H10.20 - Magnet and Iron Filings - field of a bar magnet with iron filings and liquid crystal sheets
- 5H10.31 - Ferromagnetic Fluids
- 5H15.10 - Overhead Electromagnets - show magnetic fields
- 5H20.10 - Forces on Magnets - Torque - generates torque which causes the moment to rotate rather that take magnetization to zero
- 5H20.40 - Marble Magnets - Dipole-Dipole Interaction - Forces on magnets and wires
- 5H25.10 - Coil & Compass, Rods, Gaussmeter, & Tangent Galvanometer - Forces on magnets
- 5H25.25 - Magnetic Suction - Forces on magnets and wires
- 5H30.10 - E-Beam Deflection - Cathode Ray Tubes - Redirect an electron beam using a magnetic field
- 5H30.21 - e/m - Electromagnetic Deflection of a Free Electron Beam - show electron beams bent into a circle
- 5H40.10 - Jumping Wires - Forces on magnets and wires
- 5H40.23 - Lamp Filament - Magnet & AC/DC - Forces on magnets and wires
- 5H40.30 - Jumping Wires - Magnet and Wire - Forces on magnets and wires
- 5H40.34 - Homopolar Motor - Forces on magnets and wires
- 5H50.10 - Homemade Galvanometer - torques on coils
- 5K10.25 - Electromagnetic Induction Demo - Coil and Light Bulb with Magnets - Show the flashlight with the magnetic switch
- 5K20.10 - Magnetic and Electromagnetic Damping - Eddy currents
- 5K20.24 - Lenz's Law - Plates and Magnets - Eddy currents
- 5K20.25 - Lenz's Law - Tubes and Magnets - Eddy current
- 5K20.26 - Lenz's Law - Repulsion Rings - Eddy currents
- 5K20.30 - Lenz's Law - Jumping Rings - How things move with magnetism
- 5K20.39 - Eddy Current Levitator - Eddy currents
- 5K40.10 - DC Motors - How things move with magnetism
- 5M10.XX section - Semiconductors - crystal semiconductors
- 5M10.61 - P-N Junctions - Gravitational Model
- 5N10.57 - Electromagnetic Radiation - Microwave Oven - Standing Waves - show why you don't put metl in microwave - neon bulbs light up - jar of water is damper for microwaves
- 5N20.25 - Tesla Coil - Plasma - electromagnetic radiation
- 6A10.10, 6A20.10, 6A42.10, 6A44.10, 6A60.10, - Blackboard Optics Demonstrations
- 6A40.11 - Apparent Depth - Pencil in the Block - where is the pencil
- 6A60.31 - Thin Lenses - Mask like photolithography
- 6A65.50 - Water Drop Lens - Superabsorbant Polymers - Dissecting a Diaper
- 6C20.35 - Diffraction Around Objects - Circular and Square Aperture
- 6D30.10 - Thin Film Interference - Newton's Rings
- 6F50.10 - Polarization - Scattering - why is the sky blue - blue sky/red sunset
- 6H10.10 - Polarization - Crossed Polaroids
- 6H10.20 - Polarization - Microwave - wire grid polarizer
- 6H30.10 - Polarization - Three Polaroids - Evanescent coupling to simulate tunneling
- 6H30.20 - Circular Polarization - Quarter Wave Plate, Polaroid, Mirror, and 3-D Movie Glasses - 3-D movie glasses demo
- 6H30.40 - Polarization - Karo Syrup, Depths of Karo - optical activity
- 6H35.15 - Polarization - Calcite & Iceland Spar - Birefringence
- 6H35.50 - Polarization - Stress on Plastic and Glass
- 7A10.10 - Photoelectric Effect in Zinc
- 7A10.30 - Photoelectric Effect Demo - Red light, Green light, Blue light, UV light to generate current
- 7A10.33 - Planck's Constant - LED's - Planck's Constant and show a "Knee"
- 7A10.40 - Solar Cells and Motors - photovoltaics
- 7A50.40 - Bohr Model - Vibrating Circular Wire
- 7A60.10 - Crystal Structure using Electron Diffraction - diffraction from a crystal or powder
- 7A60.50 - Mu Wave Demo - Bragg Diffraction Planes
- 7A70.50 - Cool a PN Junction - LED Band Gap
- 7B10.10 - Spectral Lines/Spectroscopy - Emission Lines
- 7B13.05 - Triboluminescence - rip strips of duct tape apart and see flashes of light
- 7B13.50 & 7B13.55 - Fluroescence - Blacklight Demonstrations & Luminescence & UV - Glow in the Dark Materials & Black Light - use fluorescent items to tag regions chemically targeted
- 7B13.54 - Quantum Dots
- 7B13.57 - Electrochemiluminescence - items that have OLED substrate - real low power night lights
- 7B20.33 - ESR - Electron Spin - show magnetic precession
- 7D10.10 - Radioactivity Demo - KCL count with Geiger Counter
- 7D10.13 - Radioactive vs. Irradiated Salt - heat irradiated and it gives off flashes of light
- 7D30.45 - Smoke Detector - radioactive source, absorb/scattered by nanoparticles
- 10A10.50 - Make Nylon - The kit is stored on the "Chemicals" shelf
- 9B40.70 - STM - Scanning Tunneling Microscope - Entry is in the Facilities Support section
- 9B40.75 - Atomic Force Microscope Model - Entry is in the Facilities Support section
- 9B40.85 - Electron Microscope - Entry is in the Facilities Support section
- 14A10.10 - Colloidal Gold Nonoparticles - The kit and samples are stored on the "Chemicals" shelf
- Conductive foam ( for chip shipping ), boxes, and mats - show why most conducting materials are black - run a current through the material to show conduction - stored with the Electronics Class equipment.
- Disk Drive Demos - Hard Drives that have been taken apart
- Ductility demo for metal
- Evaporation/Sputtering - Spray painting over a stencil - material build up on the top of a stencil as well
- Filters - water filters
- Geometrical stacking
- Molecular Machines - Chemistry
- Nanotube Fabrication Demo - Carbon Arc Lamp
- 14A10.20 - Photosensitive Materials - Circuit Board Etching
- Ratchet - pressure applied moves the object forward, ratchet prevents from going back
- Thermal Paper - show changing properties of organic materials with heat
Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist. The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose. The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources. Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks. These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage. Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.