Lecture on the Japan tsunami by Labeur (physics) and Pietrzak (modelling) of the TU Delft http://www.youtube.com/watch?v=eWhC1d5yMSc (42m)
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Lecture on the Japan tsunami by Labeur (physics) and Pietrzak (modelling) of the TU Delft http://www.youtube.com/watch?v=eWhC1d5yMSc (42m)