Tuesday, April 26, 2011 - 3:44pm
The Chernobyl #4 reactor has been sort of contained by a leaky and unstable "sarcophagus" since shortly after its meltdown 25 years ago today. As a more permanent solution to the problem, an international effort will place a gigantic steel arch over the site to seal it off, with three robot cranes inside to help clean up the mess.
