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Physicists think outside the box for better package design

A yellow and gold-toned open paper box with a lid.

Fluid dynamics shows that the gap between a box’s walls and its lid controls how quickly it can be closed. Credit: Getty

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Nature 604, 221 (2022)



  1. De Ruiter, J., Østergaard, E. V., Marker, S. & Jensen, K. H. Phys. Rev. Fluids 7, 044101 (2022).

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