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According to the team, SCAR can “detect many other molecules such as methane, nitrous oxide and other greenhouse gases or chemicals of interest for national security or forensics.” The instrument measures the way laser light interacts with the carbon dioxide that is produced when a given sample is burned and thus detects the radiocarbon levels.The researchers are further honing their technique and exploring new applications for their instrument.The carbon dating processes require an accelerator mass spectrometer that can measure the amount of carbon-14, or radiocarbon, present in bones, wood, fabrics or anything of biological origin.

After many journeys the shroud was finally brought to Turin in 1578 where, in 1694, it was placed in the royal chapel of Turin Cathedral in a specially designed shrine.Measuring the ratio of C14 to C12 and C13 therefore dates the organic matter for periods back to about eight half-lives of the isotope, 45,000 years.After a long enough time the minority isotope is in an amount too small to be measured.Photography of the shroud by Secondo Pia in 1898 indicated that the image resembled a photographic 'negative' and represents the first modern study.Subsequently the shroud was made available for scientific examination, first in 19 by a committee appointed by Cardinal Michele Pellegrino .