Dr. Shawn CarlsonDr. Shawn (Shawn Carlson, Ph.D.) is the founder and executive director of the Society for Amateur Scientists (sas.org). He won a MacArthur Fellowship for his work helping ordinary people do extraordinary science.
Author of these Magazine Articles
Want to see what subatomic particles from outer space look like? You can catch the ghostly tracks of these cosmic rays using dry ice, alcohol, and a basketball display case.
In Weird Science from MAKE: schoolsout: School's Out page 85