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Since the 1600s, chocolatiers have been perfecting the art of the bonbon, passing down techniques for crafting a perfectly smooth, even chocolaty shell. Now, a theory and a simple fabrication technique may help chocolate artisans create uniformly smooth shells and precisely tailor their thickness.
The research should also have uses far beyond the chocolate shop: By knowing just a few key variables, engineers could predict the mechanical response of many other types of shells, from small pharmaceutical capsules to large airplane and rocket bodies.Image credit: Melanie Gonick/MIT News
