Radiation detection feeling a gas pinch too

Timothy Persons, Chief Scientist, GAO

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Helium-3 is used at ports and border crossings to sniff out radiation and prevent smuggling of nuclear material into the U.S., but there is a severe shortage of the gas. The Government Accountability Office has reviewed how the Energy Department has been managing the helium-3 inventory, and whether there are alternatives. Joining us with the details of his report is Dr. Timothy Persons, a Chief Scientist at GAO.