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• Capillary flow is harnessed for the first time

  You may have never heard of the capillary effect, but it’s something you deal with every time you wipe up a spill or put flowers in water. Wouter van der Wijngaart has spent most of his life contemplating this phenomenon, which enables liquid to flow through narrow spaces like the fibres of a cloth, or upwards through the stems of flowers, without help from gravity or other forces.