In the case of droplets, opposites repel
SEP 21, 2009
DOI: 10.1063/PT.5.023698
ScienceNOW : Objects with opposite electric charges—positive and negative—attract each other. But a new observation puts a twist on this concept.Oppositely charged droplets of liquid mutually attract, yet those with a whole lot of charge bounce off each other. The findings could cause a rethinking of some important industrial processes, such as the electrostatic separation of water from crude oil.
© 2009 American Institute of Physics
