A Chinese businessman on Wednesday was sentenced to two years in prison for illegally exporting marine technology with uses in anti-submarine warfare from the US for the benefit of a Chinese military university. Qin Shuren (覃樹人), who founded a company that sold oceanographic instruments, was sentenced by US District Judge Denise Casper in Boston after admitting he illegally exported devices called hydrophones that can be used to monitor sound underwater. Prosecutors had sought seven-and-a-half years in prison for Qin, who was also fined US$20,000. His guilty plea was conditional, allowing him to appeal a ruling by Casper not to suppress...