Mentioned On
Episode Mentions
The Rest Is Science · May 27, 2026
Why Michael Abandoned Ink
“Japanese mechanical pencil brand known for rotating lead mechanism that automatically sharpens lead during use; Kuru Toga Dive model costs ~$120”
Mechanical pencil specifications and lead grades (H, B, HB classifications)Graphite composition and hardness scienceWriting instrument permanence and archival quality
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