Last august j. Reece roth, an electrical engi-neering professor at the University of Tennessee, passed along a research paper to Sirous Nourgostar, a graduate student from Iran working under his supervision. It contained details on refined plasma actuator technology, which uses ionized gas to improve aircraft control. Roth was doing research on flight performance for a U.S. Air Force contractor and had relied on the as- sistance of Nourgostar and of Xin Dai, a Chinese national also studying under him.
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