Ballpoint Pen Micro-Engineering

from Intellectually Curious · host Mike Breault

A deep dive into the everyday wonder of a cheap, disposable pen. From tungsten carbide bearings and textured sockets to capillary ink action and shear-thinning fluids, we unpack how nano-sized tolerances and surface roughness unlock smooth, reliable writing. Debunk the myth of a perfect 500-nm gap, explore how a gel ink becomes liquid under pressure, and reveal the extraordinary science behind a tool you probably use daily.Note: This podcast was AI-generated, and sometimes AI can make mistakes. Please double-check any critical information.Sponsored by Embersilk LLC

Episode metadata supplied by the publisher feed · Published Mar 3, 2026

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A deep dive into the everyday wonder of a cheap, disposable pen. From tungsten carbide bearings and textured sockets to capillary ink action and shear-thinning fluids, we unpack how nano-sized tolerances and surface roughness unlock smooth, reliable writing. Debunk the myth of a perfect 500-nm gap, explore how a gel ink becomes liquid under pressure, and reveal the extraordinary science behind a tool you probably use daily. Note: This podcast was AI-generated, and sometimes AI can make...

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Ballpoint Pen Micro-Engineering

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This episode was published on March 3, 2026.

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