IFJ_2_2024_david_forrest_Gear with contrast CREDIT DAVID FORREST

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Views of small sleeve-bearing structure: (a) end, (b) exploded. Photo courtesy of Eric Drexler, Nanosystems
Views of small sleeve-bearing structure: (a) end, (b) exploded. Photo courtesy of Eric Drexler, Nanosystems

Views of small sleeve-bearing structure: (a) end, (b) exploded. Photo courtesy of Eric Drexler, Nanosystems