No Moses Needed: Researchers Part Water With Electric Prism

At first glance, water seems to be a simple molecule because a single oxygen atom is bound to two hydrogen atoms - but it is more complex when taking into account hydrogen's nuclear spin, a property reminiscent of a rotation of its nucleus about its own axis.  The spin of a single hydrogen can assume two different orientations, symbolized as up and down. So, the spins of water's two hydrogen atoms can either add up, called ortho water, or cancel out, called para water. Ortho and para states are also said to be symmetric and antisymmetric, respectively. read more

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