Explanations for https://www.youtube.com/watch?v=1Xp_imnO6WE Follow me on twitter: http://bit.ly/VeTwitter or Instagram: http://bit.ly/VeInsta or Facebook: http://bit.ly/FBVeritasium For more on deflecting polar streams with electric fields, see: http://pubs.acs.org/doi/abs/10.1021/ed077p1520 I'm in Hobart for a live show on Friday at UTAS followed by gigs in Sydney and Canberra next weekend.