Radiation contamination map
During our recent trip to Fukushima, we carried two geiger counters with us, one inside the bus, and one taped to the outside of the window, facing inwards.
These geiger counters measure gamma radiation, and give a readout in micro Sieverts per hour, or μSv/h. Most people in the world are not familiar with these units, but, of course, here in Japan there is a high level of familiarity and interest in radiation levels. For example, on the right is a map stuck on the lockers in an office I went to. Continue reading
‘Safe’ is an interesting word, in that it means different things to different people. To the public, ‘safe’ often means ‘cannot fail’, whereas to an engineer, it only means that something is within the accepted safety standards. 
KOEBERG ALERT ALLIANCE 