>Staff working in the control room moved the chair to clean and, in the process, knocked the acrylic protective cover of a main steam isolation valve switch causing it to tilt, shift, and close, setting off a chain reaction that tripped the main steam turbine and stopped the reactor<p>I found the headline to be misleading.
Real life chaos monkey. They may want to first do this on a testnet, else they risk another Chernobyl.<p>"... knocked the acrylic protective ..."