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“The results confirm its feasibility and open up various possibilities for future research that may clarify details of the nuclear attack.” The equipment used in the investigation was purchased during a project coordinated by Baffa and supported by FAPESP.Origins In the 1970s, when he was teaching at the University of São Paulo’s São Carlos Physics Institute (IFSC-USP), Mascarenhas discovered that X-ray and gamma-ray irradiation made human bones weakly magnetic.Her supervisor was then Oswaldo Baffa, Full Professor at the University of São Paulo’s Ribeirão Preto School of Philosophy, Science & Letters (FFCLRP-USP).“We used a technique known as electron spin resonance spectroscopy to perform retrospective dosimetry.On the strength of this research, he was invited to teach at Harvard University in the United States.Before leaving for the US, however, he decided to go to Japan to try to obtain samples of bones from victims of the nuclear bombs and test his method on them.“There have been major improvements in the instrumentation to make it more sensitive in the last 40 years,” Baffa said.

“There were serious doubts about the feasibility of using this methodology to determine the radiation dose deposited in these samples, because of the processes involved in the episode,” she said.Op MSN.com/nl-nl gebruiken wij (Microsoft) functionele en analytische cookies en vergelijkbare technologieën (alle aangeduid als cookies) om u een optimale gebruikerservaring te bieden.Bovendien gebruiken wij en andere (derde) partijen tracking cookies om internetgedrag te volgen en daardoor een gepersonaliseerde ervaring te bieden en gepersonaliseerde advertenties te tonen.Currently, there’s renewed interest in this kind of methodology due to the risk of terrorist attacks in countries like the United States,” Baffa told Agência FAPESP.“Imagine someone in New York planting an ordinary bomb with a small amount of radioactive material stuck to the explosive.

“There were serious doubts about the feasibility of using this methodology to determine the radiation dose deposited in these samples, because of the processes involved in the episode,” she said.Op MSN.com/nl-nl gebruiken wij (Microsoft) functionele en analytische cookies en vergelijkbare technologieën (alle aangeduid als cookies) om u een optimale gebruikerservaring te bieden.Bovendien gebruiken wij en andere (derde) partijen tracking cookies om internetgedrag te volgen en daardoor een gepersonaliseerde ervaring te bieden en gepersonaliseerde advertenties te tonen.Currently, there’s renewed interest in this kind of methodology due to the risk of terrorist attacks in countries like the United States,” Baffa told Agência FAPESP.“Imagine someone in New York planting an ordinary bomb with a small amount of radioactive material stuck to the explosive.Continuing research that started in the 1980s under the leadership of physicist Sérgio Mascarenhas, Full Professor at the University of São Paulo (USP), Brazilian scientists have published an article in the journal PLOS ONE describing a method of precise measurement of the radiation dose absorbed by the bones of victims of the nuclear bombs dropped on Japan.