• When the project started, the team could only print coin-sized cells. Now they're up to cells the size of a piece of paper.
  • According to the team, these printable solar cells come out of regular commercial printers modified to use a special ink. "We print them onto plastic in more or less the same way we print our plastic banknotes," one researcher told ABC News.
  • One application for this tech is to cover a skyscraper with solar panels. It's possible, because the technique can create semi-transparent panels.

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