| Cheng-Chih_Wang\'s_Research Research papers and course syllabi covering the subjects of crisis communication, media study, genocide, and sociology. |
| Claes_de_Vreese Resource for teaching and research on political communication, public opinion, media effects, campaigns, and media and politics. |
| Communications_Central Links to resources and definitions related primarily to semiotics, interpersonal communication, organizational communication, health communication, and nonverbal communication. From Governor's State U |
| Happy_Fun_Communication_Land Tutorials, study questions, glossary, and citations facilitate secondary or undergraduate learning about communication theory. Whole site is searchable. |
| Melcrum Articles on aspects of communication in corporations, including public relations, measurement and change management. |
| Mick\'s_Communication,_Cultural_and_Media_Studies Extensive list of interlinked definitions of concepts related to cultural studies and media ecology. |
| Reaching_Out__The_Evolution_of_Communication Interactive educational site discusses changes in communication technology, from hieroglyphics to the printing press to the Web. |
| Text-e_org The impact of new technologies on reading, writing, scientific communication and publishing. Features ten target-papers and discussions [in english, french and italian]. |
| Celestial_Navigation_Forum Discussion forum and live chat. |
| German_Institute_of_Navigation_(DGON) About the organization. |
| How_Columbus_and_Apollo_Astronauts_Navigated Comparative analysis of techniques used then and now including dead reckoning and celestial navigation. Discussion of the "longitude problem." |
| The_Institute_of_Navigation Meeting programs with abstracts. Award winners and nomination forms. Membership information. Online version of the quarterly newsletter. Index of the organization's annual journal. |
| International_Association_of_Institutes_of_Navigation About the organization. Online newsletter. Membership information. Definitions of navigation terms. International directory of organizations. |
| Lunar_Rover_Demonstration_Navigation_Group About the Carnegie Mellon researchers creating a prototype for a new lunar rover that can navigate rugged terrain and the navigation system they're using. |
| Navigation_and_Related_Subjects Covers celestial navigation theory, tant errors and corrections, rhumb line caluclations and coastal navigation and conning. |
| The_Navigation_Foundation A non-profit corporation dedicated to the preservation of the art of celestial navigation. Mission, membership benefits, contact information. |
| Near-Earth_Navigation_and_Geodesy Describes the activities and research of the Navigation Research Office at the European Space Operations Center. |
| Nordic_Institute_of_Navigation About the organization. Membership information. Meeting programs. Discussion forum. |
| Royal_Institute_of_Navigation About the London based organization. Membership information. Online newsletter and briefings. Mailing list. Search the organizations library or journals. Competitions and events schedule. |
| Detecting_the_Earth\'s_Electricity An article from Scientific American 1999 about the field mill voltmeter and the results on Earth's electricity. |
| High_Voltage_by_Jochen_Kronjager Tips and construction details for HV projects. HV components, measuring techniques, HV sources, and details of experiments. |
| High_Voltage_Equipment_Suppliers A link list of high voltage component suppliers. |
| High_Voltage_Information High voltage reference information, including articles, books and relevant links. Also included is a buying guide for high voltage parts, instruments and services. |
| High_Voltage_Link_List A list of links for electrostatic machines, history of physics and electricity, high voltage devices, and electronics. |
| Hot-Streamer A site with significant amount of information about high voltage in general and Tesla Coils in particular. Much theory and practical information. HV pictures, construction tips, schematics. |
| Information_Unlimited Science projects for the electronics hobbyist, including Tesla coils and power supplies, high voltage engineering, neons, power supplies, and transformers. |
| Penguin\'s_Lab Paul Peng's high voltage and other electronics related projects including Marx generator, Tesla coils, coilgun and pulse discharge. |
| PV_Scientific_Instruments Working models of apparatus used in great discoveries in electricity, magnetism and atomic physics. |
| Repro\'s_of_Classic_HV_texts Quite a few reproductions of classic High Voltage texts from the "Golden Age" of High Voltage research. |
| RichCreations High voltage projects such as electric motor, Tesla coils, vintage pinball machine, and other stuff. |
| Sam_Barros\'_POWERLABS Plans, diagrams, pictures, movies and full descriptions dozens of different devices; several High Voltage generators, Tesla Coils, Plasma Globes, Gauss and Coil Railguns, other electromagnetic weapon |
| Sam\'s_Gadget_FAQ Salvaging interesting gadgets, components, and subsystems. Including HV parts from hither and yon. |
| TREK,_Inc_ Provider of high-voltage devices and instrumentation, including electrostatic voltmeters, high-voltage power amplifiers, surface resistance meters, and charged-plate monitors. |
| What_is_High_Voltage A guide to online information about high voltage. It features a number of resource links including that on high voltage applications and component suppliers. |
| 15_th_International_Symposium_on_High_Voltage_Engineering Symposium on High-Voltage Engineering, ISH 2007, will be held in Ljubljana, Slovenia, on August 27-31, 2007. (October 1, 2007) |
| Beneath_the_Foundations_of_Spacetime Special relativity can be derived with moving rulers in such a way that the astonishing connection between space and time can be clearly understood. [PDF] |
| Einstein_Light A multimedia tutorial on Special Relativity. The introductory level takes 10 minutes, but has links to over 40 explanatory pages giving greater depth and breadth. |
| E=mc² An article from the Wikipedia encyclopedia. |
| Generalized_Relativistic_Velocity_Addition_with_Spacetime_Algebra The general problem of relativistic addition of velocities – and the successive application of noncollinear Lorentz boosts – is addressed. [PDF] |
| How_Do_You_Add_Velocities_in_Special_Relativity? Here is the formula for adding velocities in special relativity when motion occurs in a single direction. |
| How_Stuff_Works__Special_Relativity The major principles of special relativity (SR) are discussed in an accessible way, via 5 segments, to help you understand the lingo and theories involved. |
| Imaginary_In_All_Directions There is a preferred algebra of quaternions and complex numbers that is ideally suited to express the equations of special relativity and classical electrodynamics. [PDF] |
| Is_Travel_Faster_Than_Light_Possible? Individual photons, when tunneling through a quantum barrier, can apparently travel faster than light. |
| Jim_Doyle\'s_Special_Relativity_Pages A growing collection of pages on special relativity, including Special Relativity in under 15 Minutes! |
| Lorentz_Contraction_and_Accelerated_Systems Lorentz contraction in systems undergoing constant proper acceleration is proven to be completely self-consistent in the context of special relativity. [PDF] |
| Nothing_but_Relativity There are many ways to derive the Lorentz transformation without invoking Einstein's constancy of light postulate. The path preferred in this paper restates a simple, established approach. [PDF] |
| Quaternions_in_University-Level_Physics_Considering_Special_Relativity The quaternions are an expansion of complex numbers and show close relations to numerous physically fundamental concepts (e.g. Pauli Matrices). [PDF] |
| Relatively_Simple Special Relativity made Relatively Simple offers information and experiments about special relativity. |
| Relativistic_Contraction Relativists consider it a very important exercise to have students decide how to measure the length of a rapidly moving object. |
| Relativistic_Force_Transformation Formulas relating one and the same force in two inertial frames of reference are derived directly from the Lorentz transformation of space and time coordinates. [PDF] |
| Relativistic_Kinematics This is how special relativity is taught by Dr. David Morin at Harvard University. 72 pages. [PDF] |
| Relativity_Tutorial An introduction to relativity using space-time diagrams. |
| Santa_at_Nearly_the_Speed_of_Light An estimate of the speed and distances covered by Santa Claus on Christmas night. The physics is unassailable. The article is hosted on the Fermi National Accelerator Laboratory website. |
| Space_Measurements_on_a_Rotating_Platform The age-old puzzling problem of Lorentz contraction on a rotating platform, i.e., Ehrenfest's paradox, is explained in its proper mathematical context. [PDF] |
| Special_Relativity A unit for an online relativity textbook explaining special relativistic mathematical physics. |
| Special_Relativity This is chapter two of Christoph Schiller's 1000 page walk through the whole of physics, from classical mechanics to relativity, electrodynamics, thermodynamics, quantum theory, nuclear physics and un |
| Special_Relativity A brief overview of the theory of special relativity, and how it pertains to particles at SLAC (Stanford Linear Accelerator) |
| Special_Relativity Tutorial explains about the postulates, paradox, simulaneity, time dilation, Lorentz transformation constructions, spacetime wheel, and the Fitzgerald-Lorentz contraction. Page includes some animated |
| Special_Relativity_and_Maxwell_Equations A self-contained summary of the theory of special relativity is given, which provides the frame for classical electrodynamics. 26 pages. [PDF] |
| Special_Relativity_Lecture_Notes A standard introduction to special relativity where explanations are based on pictures called spacetime diagrams. |
| Synchronization_Gauges_and_the_Principles_of_Special_Relativity Synchronization functions set the mathematical clocks represented by the Lorentz transformation and resetting these clocks mathematically only produces a theory equivalent to special relativity in pre |
| Time_Dilation The gamma factor and time dilation can be derived using a very simple clock. |
| The_Twin_Paradox_in_a_Spatially_Closed_and_Bounded_Universe Spatially compact spacetimes break global Lorentz invariance and define absolute inertial frames of reference. |
| University_Lectures_on_Special_Relativity Lecture notes on Special Relativity, prepared by J. D. Cresser, Department of Physics, Macquarie University. 44 pages. [PDF] |
| Wikipedia__Special_Relativity Online encyclopedia article. |
| BrainSource Informational site about the brain and neuropsychology. |