A: It depends on the type and size of the crack. Hairline cracks take only a little patching plaster. Larger cracks require reinforcement with mesh tape. Cracks larger still, where the plaster keys ...

Plastic welding isn’t a new idea. But a recent video from [The Maker] shows an interesting twist. Given a broken piece of plastic, he secures it together with tape, machines out a channel around the ...

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Scientists in the U.S. have developed an artificial skin that bleeds and heals itself. The plastic skin is made from a material that contains microcapsules filled with a special healing agent that ...