Changes

     Example 2: Relativity has been verified in at least two different ways:

     Example 2: Relativity has been verified in at least two different ways:

     [http://www.answers.com/topic/hafele-keating-experiment| Hafele-Keating experiment and later experiments with more accurate clocks ]

     [http://www.answers.com/topic/hafele-keating-experiment| Hafele-Keating experiment and later experiments with more accurate clocks]