Day: June 17, 2014

  • Excitons… Parmenidions… Exciting!

    Getting excited can kick a person’s energy to a higher level. At the nanoscale, strange almost-particles called excitons do the same trick. In a crystal, thin film or even some liquids, an incoming particle of light can slam into an electron, bumping it to a higher energy level and leaving a hole at the energy…

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