Researchers 3D-printed a cell-sized tugboat #rwanda #RwOT #TWICE_CANT_STOP_US

Physicists at Leiden University in the Netherlands have 3D printed what could be the world’s smallest boat, a test object known as Benchy (via Gizmodo). At 30 microns long, it’s a third smaller than the thickness of a human hair and about six times l...

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