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A 100-watt nuclear reactor sitting in a 35-foot concrete pit under Texas ranch land has been cleared by the Energy Department for unrestricted operations three months after its first chain reaction, and its maker will use it to train operators and check its math for an isotope reactor
A 215-foot rocket that will weigh almost 2 million pounds once fueled is due to lift more than 50,000 pounds of satellites on Friday, a new record for its builder, with 40 of them riding under a 70-foot fairing when a 29-minute window opens at 12:54 p.m. from a Florida pad
A 600-ton drone warship slid into the water at a Korean shipyard on Thursday, built to scout and watch at sea, and after trials in local waters it is due in the United States early next year for more testing aimed at the Navy’s growing unmanned fleet
An 882-ton boiler, one of eight at a closed nuclear plant on the English coast, is slated to be jacked and slid out of its bay under a contract announced late last month, a job meant to take away about a third of the buildings still standing on the site