Visualizing a radiation hotspot

Explanation of the blotchiness of radiation levels along a road in Iitate mura area, Fukushima prefercture. Safecast’s Joe Moross shows how level vary dramatically over a few meters for both air and surface dose rates.
http://vimeo.com/41645983福島県飯舘村地区では放射線量は一定ではなく、線量率は数メートル違うだけで随分異なることをSafecastのJoe Morossが説明します(英語)。
http://vimeo.com/41645983