time dilation: Media

physics

Videos

time dilation
Brian Greene talks time travel—the kind that's written into the laws of physics and...
Video: © World Science Festival (A Britannica Publishing Partner)
Understand the concept of time dilation in special relativity as explained by Albert Einstein and Richard Feynman
An informal overview of time dilation in special relativity, as elucidated by Albert...
Video: © Open University (A Britannica Publishing Partner)
Explore three simple ways and three complicated ways of time traveling
Learn about three simple ways (do nothing, walk, and stand up) and three complicated...
Video: © MinutePhysics (A Britannica Publishing Partner)
Learn about the six famous paradoxes in philosophy and science
An overview of six famous paradoxes in philosophy and science.
Video: © Open University (A Britannica Publishing Partner)

Images

length contraction and time dilation
As an object approaches the speed of light, an observer sees the object become shorter...
Encyclopædia Britannica, Inc.