Four new possible carvings were discovered, but more importantly the technique has now been established and will be refined and become a useful tool on many other sites.
Tuesday, 30 August 2022
New Prehistoric Carvings identified at Stonehenge?
Gavin Leong and Matthew Brolly from the School of Applied Sciences University of Brighton have a couple of fascinating papers out that show how using Terahertz light which "lies between infra-red and microwaves so has unique properties which enables it to pass through objects and to transmit images and compositional (spectroscopic) information that is ordinarily hidden" and a neural network to recognise lichen covered carvings, without harming the lichen has shown early success.
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