The great German-American physicist, Albert Einstein, is generally given credit for realising that the passage of time is not a fixed property of our universe. But I believe that there may be evidence of a prior Welsh discovery that time passing can be perceived differently by different observers.
Consider these data taken from the Census Forms completed by the residents of 64 Vale Road, Rhyl.
| Name | Age at Census | |
|---|---|---|
| 1901 | 1911 | |
| Jane Davies | 55 | 60 |
| John Davies | 29 | 36 |
| Susy Davies | 33 | 40 |
| Maggie Davies | 7 | 16 |
| Jennie Davies | 7 months | 10 |
Perhaps the most basic statement of the principle of special relativity should be — the older you are, bach, the more slowly you age.
