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Atlanta, GA|Atlanta Marriott Marquis
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Fusion Science and Technology
July 2025
Latest News
Hash Hashemian: Visionary leadership
As Dr. Hashem M. “Hash” Hashemian prepares to step into his term as President of the American Nuclear Society, he is clear that he wants to make the most of this unique moment.
A groundswell in public approval of nuclear is finding a home in growing governmental support that is backed by a tailwind of technological innovation. “Now is a good time to be in nuclear,” Hashemian said, as he explained the criticality of this moment and what he hoped to accomplish as president.
W. Brian Clarke, Stanley J. Bos, Brian M. Oliver
Fusion Science and Technology | Volume 43 | Number 2 | March 2003 | Pages 250-255
Technical Note | doi.org/10.13182/FST03-A264
Articles are hosted by Taylor and Francis Online.
Measurements of He, 3He/4He, Ne and 13 other components (H2, HD, D2, CH4, H2O, HDO, D2O, N2, CO, C2H6, O2, Ar, and CO2) in four samples of gas from SRI International (SRI) are reported. Three samples were collected from SRI Case-type stainless steel cells containing ~10 g of Pd/C catalyst initially loaded with ~3 atm D2 at ~200°C, and the fourth sample (not identified) was stated to be a control. Case and the SRI researchers have claimed to observe 4He in concentrations of ~100 parts per million (ppm) and up to 11 ppm, respectively, produced in these cells via the fusion reaction D + D = 4He + 23.8 MeV. Others found no evidence for 4He addition that cannot be readily explained by leaks from the atmosphere into the SRI cells. One sample appears to be identical in composition to air, and the other three have been seriously affected by leak(s) into and from the SRI cells. The rare gas "forensic" evidence includes 3He/4He ratios and He and Ne concentrations that are almost identical to air values. The samples also show high N2 (a primary indicator of air), low O2, and high CO and CO2 due to reaction of incoming atmospheric O2 with C in the catalyst. In two samples, the original D2 (or H2) has almost completely disappeared by outflow through the leak(s). These results have obvious implications concerning the validity of the excess 4He concentrations claimed by Case and the SRI researchers.