SELECTED APPLETS - HONR228K, Fall 2008

Last update: Nov. 26, 2008

Wikipedia articles are usually helpful, succinct, and at an understandable level.

Chap. 1:

Powers of 10

Powers of 10, 9min YouTube video

Chap. 2:

Ptolemy's epicycles: impressive applet illustration

Celestial sphere applet fancier

Ptolemaic, Copernican, etc., models

Kepler's 3 laws applet

Kepler: what is an equant?

Chap. 3:

Aristotle and beyond, nice summary

Motion with Constant Acceleration

Catch Up (Constant Velocity and Constant Acceleration)

Hwang's 1D Motion

Resultant of forces, vector addition

Inclined Plane

Projectile motion (Fowler)

Projectile Simulation/Experiment

Fendt's Projectile Motion Simulator

Simulation of Monkey and Hunter Demonstration (Excellent! Display the acceleration and the velocity vectors.)

Newton's cannon

Newton's Second Law Experiment

Newton's cradle

Mountain Biker Weight

Ocean tides rotating system forces water surface (there are lots of other sections) [Remember that this effect is due primarily to the rotation of the earth, not the orbiting of the moon!]

Snell's Law illustration

Snell's Law via fastest path ...alternative

Newton's particle theory of light (from UVa; Hook should be Hooke)

Refraction (moving wavefronts)

Light applets, getting Snell's law from wave viewpoint

 

Chap. 4:

States of matter and oversimplified atomistic-scale illustrations

Energies involved in p hase changes of water, nice summary

Molecular model for ideal gas

Gas laws model

Chap. 5:

Applet showing physical basis of ideal gas law (very enlightening)

Applet: Ideal Gas (note n [moles] x R = N [particles] x k)

Kinetic theory and pressure, a bit mathy

Kinetic theory in Wikipedia, nice background, more physics than you'll likely want

Kinetic theory and speed distribution

Gas molecules simulation with controllable gravity

Kinetic theory, somewhat mathy

Entropy in Wikipedia again more details than appropriate for HONR228K

Bouncing ball, internal vs "external" [kinetic + potential] energy

Entropy applet--energy distribution

Maxwell demon--try it!

Brownian motion: Fowler at UVa , McIntyre , with trail option (alternative site)

Description of Brownian motion (Fowler at UVa, nice introduction, then becomes more technical than HONR28K)

Self-similarity of Brownian motion

Illustrative discussion of self-similarity

Koch curve fractal

Sierpinski triangle fractal

Nice summary of fractal dimension

1D Ising applet (stp, Clarkson) (main stp simulation site)

2D Ising spin applet

Spin simulation (nice but somewhat problematic)

Kant's categorical imperative (application of mean field theory in philosophy)

 

Simulation illustrating the 2nd law of thermodynamics, with lots of accompanying discussion; also shows energy conversion to thermal energy for a bouncing ball

Extensive but non-technical discussion of entropy, also heat engines

Extensive discussion of entropy clarifying misconceptions

"All about entropy" with lots of links, likely more than you want to know!

Chap. 6:

Frames of Reference (classic Hume and Ivey movie, 26 min.)

Chicago: "Does Anybody Really Know What Time It Is?" on YouTube Original 1982

Sound from a vibrating string, showing pressure/displacement wave

Sound waves, supersonic, etc.

Constructive and destructive interference (static)

Ripple tank simulations

Young's 2-slit interference experiment Fendt's more sophisticated version

Single-slit diffraction

Speed of light, elementary approach

Quick history of efforts to measure speed of light

Doppler shift and why it leads to a change in pitch ; application to astronomy ; from NASA site

http://www.mathpages.com/rr/s2-04/2-04.htm

http://hyperphysics.phy-astr.gsu.edu/hbase/relativ/reldop2.html mathy

http://www.saburchill.com/physics/chapters/0091.html IB physics, a bit stilted

http://maths.dur.ac.uk/~dma0cvj/mathphys/supplements/supplement5/supplement5.html mathy but clear

Wikipedia articles: speed of light, Cerenkov radiation, electromagnetic radiation, electromagnetic spectrum

http://en.wikipedia.org/wiki/Special_relativity and relativistic Doppler effect

http://casa.colorado.edu/~ajsh/sr/postulate.html#postulates

http://www2.slac.stanford.edu/vvc/theory/relativity.html

http://galileoandeinstein.physics.virginia.edu/lectures/spec_rel.html

Example of time dilation (Fendt)

Principle of Equivalence

"Einstein online"

Collision of 2 black holes

Length contraction simple and subtle

Relativity and GPS Navigation Systems

Evidence for quark theory and slides

Chap. 7:

Blackbody radiation

Blackbody spectrum, with temperature control

Lecture notes on ultraviolet catastrophe (more sophisticated than class discussion, nice figures)

Photoelectric effect and alternative applet

deBroglie wavelength

Bohr planetary model of atoms and applet showing transitions between orbitals

Bohr model applet, with both particle and wave models (Fendt)

Hydrogen lines, elementary

Understanding the Heisenberg Uncertainty Principle

Heisenberg uncertainty principle applet

Field Ion and Field Emission Micrographs

Principle of Field Emission Microscopy (but alas no schematic)

Principle of Field Ion Microscope (FIM)

Wikipedia: Metaphysics, Empiricism, Epicureanism, Determinism, Libertarianism

...Uncertainty Principle , EPR (Einstein Podolsky Rosen) Paradox, Philsophy of Science,

.. Constructive realism, Entity realism, Logical positivism

STM tutorial (by T-W Hui, U. of Guelph)

Beautiful STM images courtesy of IBM

"Chaos Theory: A Brief Introduction"

 

Excellent applet on decay and half-life

Another nice simulation of half-life and decay

Nice applet on nuclear chain reaction

JavaBalls simulation of collisions

Applet on Nuclear Isotope Half-lifes

Nuclear Fission Power Plant

Nuclear physics, excellent extensive site with lots of accessible information

A Study of the Atomic Bomb and World War II

Military Technology, Danish site, excellent account of ideas

Atomic Museum tour of the Manhattan project

Radiation and Life -outstanding, clear, concise

Radiation: several nice short summaries