> As a result, Nichols said, the first thing to do upon noticing a near-criticality is "the opposite of what you want to do," such as reach in and separate the

> As a result, Nichols said, the first thing to do upon noticing a near-criticality is "the opposite of what you want to do," such as reach in and separate the offending materials. Instead, he said, those in charge should get "everyone to back off" and then call for engineers to start calculating safe approaches.