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• n  (chemistry) the three traditional states of matter are solids (fixed shape and volume) and liquids (fixed volume and shaped by the container) and gases (filling the container)

• state

News & Articles

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• MIT and Harvard create new, lightsaber-like state of matter: Photonic molecules
  The awesomely named Center for Ultracold Atoms, a joint Harvard and MIT venture, has created a new state of matter: photonic molecules. According to the research group's leader, who has the unbelievably coincidental surname Lukin, these photonic molecules behave somewhat like lightsabers from the Star Wars universe, with the photons pushing and deflecting each other, but staying linked.
  Sept. 26, 2013 - ExtremeTech