How do we know when a volcano will erupt? - Street Science
Collected by blip.tv
Added January 11, 2008
Knowing when a volcano will erupt is as important to those charged with protecting our safety as it is to members of the U.S. government who might want to use artificially induced volcanic eruptions as a superweapon of awe-inspiring proportions. SciAm Editor Christie Nicholson hits the streets to...
