3 ms·
Could be related to this? http://en.wikipedia.org/wiki/EURion_constellation http://en.wikipedia.org/wiki/EURion_constellation
by Houshalter 12y ago
Could be related to this? http://en.wikipedia.org/wiki/EURion_constellation http://en.wikipedia.org/wiki/EURion_constellation
- TazeTSchnitzel 12y agoIt's most likely not the constellation itself, but the other mechanism: https://en.wikipedia.org/wiki/EURion_constellation#Other_banknote_detection_mechanisms https://en.wikipedia.org/wiki/EURion_constellation#Other_ban... In particular, have a look at this: http://www.cl.cam.ac.uk/~sjm217/projects/currency/ http://www.cl.cam.ac.uk/~sjm217/projects/currency/