In water as in love, likes can attract
Thursday, September 19, 2013 - 07:00
in Physics & Chemistry
(Phys.org) —At some point in elementary school you were shown that opposite charges attract and like charges repel. This is a universal scientific truth – except when it isn't. A research team led by Berkeley Lab chemist Richard Saykally and theorist David Prendergast, working at the Advanced Light Source (ALS), has shown that, when hydrated in water, positively charged ions (cations) can actually pair up with one another.