Editor selections by Topic and Unit

The Physics Front is a free service provided by the AAPT in partnership with the NSF/NSDL.

Website Detail Page

Item Picture
written by Michael Fowler and Jacquie Hui Wan Ching
This simple animation illustrates the principle of time dilation, the phenomenon in which a clock that is moving relative to an observer is measured to run more slowly by that observer compared to a clock at rest. The concept of time dilation is central to a study of special relativity, and has been experimentally confirmed many times. This  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 to see that the time dilation effect is reciprocal.

SEE RELATED ITEMS for a link to: Through Einstein's Eyes Online, an interactive tutorial on special relativity appropriate for high school students.

Please note that this resource requires Flash.
Subjects Levels Resource Types
Classical Mechanics
- Relative Motion
= Moving Reference Frames
General Physics
- Measurement/Units
Relativity
- Reference Frames
- Special Relativity
= Simultaneity
= Time Dilation
- High School
- Lower Undergraduate
- Upper Undergraduate
- Instructional Material
= Curriculum support
= Interactive Simulation
- Audio/Visual
= Movie/Animation
Appropriate Courses Categories Ratings
- Conceptual Physics
- Algebra-based Physics
- AP Physics
- Activity
- New teachers
  • Currently 0.0/5

Want to rate this material?
Login here!


Intended Users:
Learner
Educator
Format:
application/flash
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:

ComPADRE is beta testing Citation Styles!

Record Link
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 September 17, 2014, 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 17 September 2014).
MLA Format
Fowler, Michael, and Jacquie Hui Wan Ching. Light Clock. 2003. 24 July 2007. 17 Sep. 2014 <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 = {2014}, Number = {17 September 2014}, 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 2014
%N 17 September 2014
%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.

This resource is stored in 3 shared folders.

You must login to access shared folders.

Light Clock:

Is Part Of Galileo and Einstein: Physics Flashlets

A link to the full collection of Galileo and Einstein Physics Flashlets, by the same authors.

relation by Caroline Hall
Same topic as Through Einstein's Eyes Online - Visualizing Special Relativity

A set of multimedia resources targeting high school and lower-level undergraduate students. It presents the physics of special relativity plus simulations to visualize how things look at relativistic speeds.

relation by Caroline Hall
Same topic as Einstein Light: Time Dilation, Length Contraction, and Simultaneity

An animated tutorial created for novice learners that explores topics raised as consequences of the constant speed of light.

relation by Caroline Hall

Know of another related resource? Login to relate this resource to it.
Save to my folders

Supplements

Contribute

Related Materials

Similar Materials