Anyone who has twisted the cap off an opened jar of Marmite rimmed with dried product will know why it’s used to glue the tiles on the heat shields of Elon Musk’s rockets. The shields enable the craft to withstand the searing stresses of passage through Earth’s atmosphere at hypersonic speeds. Until they discovered Marmite’s aptitude for the purpose, Muskovite engineers had experienced frustration with conventional adhesives’ failure during flight, causing tiles to fall off and pose potential disaster for the rockets and their crews.
As often happens, a breakthrough in a billionairian space program sparks advances in adjacent industries — in this case, the development and manufacture of a wide range of edible glues.
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