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Uva Virtual Lab: Van De Graaff Generators
We have all seen Van de Graaff generators, but how does one work? It comes down to two fairly simple consequences of charge attraction and repulsion and a bit of treachery. Take a look at these video clips illustrating the Van de Graaff.
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Uva Virtual Lab: Spm Piezoelectric Crystals
Scanning Probe Microscopes position their sensing tips to precisions better than 10-10 meters (the size of a single atom!). This incredible control is based on the use of "piezoelectric crystals." These materials bend or shrink in the...
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Uva Virtual Lab: Scanning Probe Microscopes
Check out this online lab to recognize what an SPM is and how it functions.
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Uva Virtual Lab: Scanning Electron Microscope (Sem)
Find out what an SEM does and how it does it with this online lab.
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University of Virginia: Uncle Tom's Cabin & American Culture: Pre 1852 Songs
Here are links to information and sound files for six minstrel songs, including "Zip Coon," "Old Dan Tucker," and "Old Uncle Ned." Each song has playable sound files in .wav and .ra formats.
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University of Virginia: Readings From "Beowulf"
This site has the original Old English texts with audio files for your listening pleasure. It does not offer the entire "Beowulf," but has the "Prologue," "Grendel's Approach to Herot," "The Lament of the Last Survivor," and "Beowulf's...
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Uva Virtual Lab: Two Battery Cells
How does the voltage work when two batteries are put together? Find out in these brief video clips.
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Uva Virtual Lab: Two Bulbs in Series
Take a look at these videos to see what happens when lamps are connected to each other.
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Uva Virtual Lab: Bulbs in Parallel
Look at adding an identical bulb to a circuit of a cell and a bulb. In this circuit the two light bulbs are in parallel to each other.
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Uva Virtual Lab: Three Battery Cells
What voltage occurs when three similarly charged batteries connect? Check out the four brief video clips illustrating the process.
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Uva Virtual Lab: Projection Electron Lithography (Scalpel)
SCALPEL stands for Scattering with Angular Limitation Projection Electron beam Lithography. It is a new technique for creating patterns with extremely small features in microelectronic circuits. Electrons are projected onto a "mask."...
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Uva Virtual Lab: Resistor Waterwheel Analogy
These videos will increase comprehension of how a resistor works by comparing it to a waterwheel.
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Uva Virtual Lab: Capacitor and a Resistor
In this simulation the cell will be used to charge a capacitor. The capacitor will then be used to operate a light bulb until the capacitor is discharged.
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Uva Virtual Lab: Atomic Force Microscope (Afm)
This page describes the operation of Nanosurf Inc's "easyScan" atomic force microscope (AFM). Virtual reality is used to take apart the microscope and show how a laser controlled feedback loop allows the probe to measure the shape of a...
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Uva Virtual Lab: Scanning Tunneling Microscope (Stm)
Find a description of the operation of Nanosurf Inc's "easyScan" scanning tunneling microscope (STM). Virtual reality is used to take apart the microscope and show how electron tunneling is used to measure the shape of sample surfaces...
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Uva Virtual Lab: Dna (Big Picture)
Enhance studies of DNA with these video clips illustrating the structure of the hereditary material. Be sure to check the second page, too, to see the 3D models.
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Uva Virtual Lab: Battery Water Wheels in Series
This source describes a water flow analogy of two batteries in series as a two-stage gerbil powered waterwheel. Check out the video clips.
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Uva Virtual Lab: Battery Water Wheel Analogy
Gain understanding of how the charge works in a battery with the illustration of a gerbil.
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Uva Virtual Lab: Three Capacitors (2 Identical)
What happens when multiple capacitors connect to one another? Check out this virtual lab for results.
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Uva Virtual Lab: Three Different Capacitors
Take a look at a virtual lab which illustrates the way a current works with different capacitors.
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Uva Virtual Lab: Overcharged Water Capacitor
What happens when the voltage across a capacitor exceeds the capacitor's breakdown voltage? This animated illustration will help students make observations.
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Uva Virtual Lab: Capacitor Water Tank Analogy
Understand how an electric current flows in a circuit through an illustration of a water tank pushing water.
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Uva Virtual Lab: Bulbs in Series and Parallel
In this circuit the two light bulbs on the far right are in series with each other. The light bulb in the middle is in parallel to the other two light bulbs.
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Uva Virtual Lab: Magnetic Induction (X Ray)
This lab will allow observation of the manipulation of magnetic fields and pushing electrons through a circuit to understand magnetic induction. Check out the video clips.