Peculiar Shapes Apparently Defy Physics

#shorts #scinews #science news #science #science max #3D printing #quantum physics #trajectoids #motion #rolling #orientation #path #trajectory #MRI #protons #spins #Bloch sphere Researchers have created peculiar 3D shapes called trajectoids that can roll in a predetermined path when pushed. The shapes look weird but they’re designed so that when rolled they move how you want. Trajectoids might help understand quantum physics and improve MRI scans. They’re made by 3D printing a sphere, having it roll on a path, and shaving off parts so it stays on the path. Their motion reflects quantum particles. MRIs align proton spins but radio waves disrupt them. The math behind trajectoids shows how to restore spins after 2 pulses. This could make MRI scans better. You can 3D print your own trajectoid if you’re into that sort of thing.

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