Cesium age dating
Absolute zero implies no movement, and therefore zero external radiation effects (i.e., zero local electric and magnetic fields).The second thus defined is consistent with the ephemeris second, which was based on astronomical measurements.
Others look to numerology, and the mystical connections between numbers and life events.
Others take a more biological approach: dating by blood type.
As these rocks undergo weathering or erosion by water, the gold can be washed into rivers allowing people to find it easily.
Currently we can trace our use of gold back to at least 6200 years ago.
is notoriously difficult, and it’s easy to feel as if the ways in which to find it are all but exhausted.