OAK RIDGE, Tennessee, Nov. 14 -- The U.S. Department of Energy's Oak Ridge National Laboratory issued the following news release: Just before dawn, Scott Atchley woke up for the third time, took another sip of coffee and sat down at his computer to watch the next failure.It was the morning of May 27, 2022. Atchley and fellow scientists had spent months tuning and tweaking Frontier, the $600 million supercomputer installed at the Department of Energy's Oak Ridge National Laboratory. The machine,  more