23rd April 2012, 01:00 PM
BAJR Wrote:Which is the heartwood. it is dead and no longer taking on Carbon.
Yep,
see Aitken, M. J. (1961) Physics and Archaeology, Interscience Publishers Ltd.
for many discussions of such problems...............is mentioned in loads of later stuff, this is the oldest reference to the old wood effect I could find.