And the overwhelming feeling, having peeked into the diverse landscape of modern dating, is undeniably one of progress. More recently, accelerator mass spectrometry has become the method of choice; it counts all the 14 C atoms in the sample and not just the few that happen to decay during the measurements; it can therefore be used with much smaller samples as small as individual plant seedsand gives results much more quickly. NDT Professionals. Retrieved 9 December
The time required for half of the nuclei in a sample of a specific isotope to undergo radioactive decay.