APS Logo Kids
Black HoleTrainSunClockE=mc2Radioactivity SymbolTwin ParadoxLight Cone Clock

The theory of relativity explains that time is not absolute. A clock on an airplane flying around the world will tick slower than a clock staying stationary for the same interval.

Clock Tile Clock Line Art
Clock Kid


Artwork Columns:
Matter | Quantum | Relativity | Einstein's Life

Terms of Use | © 2012 American Physical Society