Light Clock

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written by Michael Fowler and Jacquie Hui Wan Ching

This simple animation illustrates the principle of time dilation as predicted by special relativity. The simulation consists of two light clocks, one at rest and the other moving at a fraction of the speed of light. The user can change the speed of the moving clock.

Please note that this resource requires Flash.

http://galileoandeinstein.physics.virginia.edu/more_stuff/flashlet...

Subjects	Levels	Resource Types
Classical Mechanics - Relative Motion = Moving Reference Frames General Physics - Measurement/Units Relativity - Reference Frames - Special Relativity = Simultaneity = Time Dilation	- Lower Undergraduate - High School - Upper Undergraduate	- Instructional Material = Curriculum support = Interactive Simulation - Audio/Visual = Movie/Animation

Intended Users	Formats	Ratings
- Educators - Learners	- application/flash	Currently 0.0/5 Want to rate this material? Login here!

Access Rights:: Free access
Restriction:: © 2003 Michael Fowler
Keywords:: Simultaneity , Special Relativity, Speed of Light, Time Dilation, frames of reference, reference frames
Record Cloner:: Metadata instance created July 25, 2007 by Enrique Suarez
Record Updated:: June 26, 2012 by Caroline Hall
Last Update when Cataloged:: July 24, 2007
Other Collections:: The Physics Front

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ComPADRE is beta testing Citation Styles!

Record Link

<a href="https://www.compadre.org/introphys/items/detail.cfm?ID=5578">Fowler, Michael, and Jacquie Hui Wan Ching. Light Clock. July 24, 2007.</a>

AIP Format

M. Fowler and J. Hui Wan Ching, (2003), WWW Document, (http://galileoandeinstein.physics.virginia.edu/more_stuff/flashlets/lightclock.swf).

AJP/PRST-PER

M. Fowler and J. Hui Wan Ching, Light Clock (2003), <http://galileoandeinstein.physics.virginia.edu/more_stuff/flashlets/lightclock.swf>.

APA Format

Fowler, M., & Hui Wan Ching, J. (2007, July 24). Light Clock. Retrieved March 15, 2025, from http://galileoandeinstein.physics.virginia.edu/more_stuff/flashlets/lightclock.swf

Chicago Format

Fowler, Michael, and Jacquie Hui Wan Ching. Light Clock. July 24, 2007. http://galileoandeinstein.physics.virginia.edu/more_stuff/flashlets/lightclock.swf (accessed 15 March 2025).

MLA Format

Fowler, Michael, and Jacquie Hui Wan Ching. Light Clock. 2003. 24 July 2007. 15 Mar. 2025 <http://galileoandeinstein.physics.virginia.edu/more_stuff/flashlets/lightclock.swf>.

BibTeX Export Format

@misc{ Author = "Michael Fowler and Jacquie Hui Wan Ching", Title = {Light Clock}, Volume = {2025}, Number = {15 March 2025}, Month = {July 24, 2007}, Year = {2003} }

Refer Export Format

%A Michael Fowler %A Jacquie Hui Wan Ching %T Light Clock %D July 24, 2007 %U http://galileoandeinstein.physics.virginia.edu/more_stuff/flashlets/lightclock.swf %O application/flash

EndNote Export Format

%0 Electronic Source %A Fowler, Michael %A Hui Wan Ching, Jacquie %D July 24, 2007 %T Light Clock %V 2025 %N 15 March 2025 %8 July 24, 2007 %9 application/flash %U http://galileoandeinstein.physics.virginia.edu/more_stuff/flashlets/lightclock.swf

Disclaimer: ComPADRE offers citation styles as a guide only. We cannot offer interpretations about citations as this is an automated procedure. Please refer to the style manuals in the Citation Source Information area for clarifications.

Citation Source Information

The AIP Style presented is based on information from the AIP Style Manual.

The APA Style presented is based on information from APA Style.org: Electronic References.

The Chicago Style presented is based on information from Examples of Chicago-Style Documentation.

The MLA Style presented is based on information from the MLA FAQ.

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