If we have to retain only one image of the nuclear disaster that struck the Fukushima region in March 2011, it would undoubtedly be this one: an improbable ballet of helicopters which pathetically try to dump big bags filled with seawater to cool the spent fuels stored in the swimming pool of reactor n ° 4, the roof of which was gutted by an explosion. The desperate maneuver illustrates the panic and powerlessness of Tepco, the plant operator, in the face of these events. It will be quickly abandoned due to the excessive radioactivity emanating from the site. A few hours earlier, on the airwaves of RTBF, one of the fathers of the Belgian nuclear program nevertheless affirmed that no danger was a priori to be feared on this side …