If you're not following along with the great work RDTN is doing to create networks of radiation sensors, check out just one of their projects: iGeigie, a geiger counter that plugs into your iPhone.
After a tsunami caused a nuclear disaster in Japan, a radiation detection network starting aggregating and publishing data. The result, Safecast, shows how citizen science and open data are changing our understanding of the world.
S. Chawla, J. Hartline, and B. Sivan. (2011)cite arxiv:1111.2893
Comment: The paper has 17 pages and 1 figure. It is to appear in the
proceedings of ACM-SIAM Symposium on Discrete Algorithms 2012.