The thing they should have said in the headline is that its a large pebble-bed reactor. So far they've all been demonstrators. But now: Dong and his colleagues

The thing they should have said in the headline is that its a large pebble-bed reactor. So far they've all been demonstrators. But now: Dong and his colleagues have demonstrated that the system works with a full-scale nuclear plant, the High-Temperature Gas-Cooled Reactor Pebble-Bed Module (HTR-PM) in Shandong.