Getting Real About Light Sabers

Scientists from Harvard, MIT and CIT have demonstrated that light can behave in a way previously observed only in science fiction -- that is, photons can bond and create a molecule. The fundamental properties of light derive from the fact that photons, which are the quanta of light, do not interact with one another. Two crossed beams of light pass through each other, for example.

Source: http://www.technewsworld.com/rsstory/79688.html

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