IMPORTANT NOTICE OF DISCONTINUATION OF PROJECT
radioactivity had started in March of 2011 in an attempt to help the general public to be alerted regarding the spread of radiation and other radioactive materials originated from the catastrophic incident in the Fukushima nuclear power plant in Japan, by providing visual information of city-wise radition levels.
As of September of 2012, Sumin Byeon, the lead developer of the project, has decided to discontinue the project due to lack of resources. This project will be no longer maintained nor developed any further. If anyone wants to continue to work on this project, you are more than welcome to fork this repository and start your own. Pull requests will be gladly accepted as well.
For the record, it looks like this: