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Machine with Concrete - Arthur Ganson

Arthur Ganson · demo · Watch on YouTube

Mechanical & precision engineeringVisual arts, photography & architectureMagic, puzzles & curiosities

What it is

Arthur Ganson's kinetic sculpture chains twelve 1:50 worm gear reductions so the final gear, embedded in concrete, would take over two trillion years to turn once.

Why Hacker News recommends it

Shared whenever gear reductions, exponential scaling or playful kinetic art come up.

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2015, last 2025

What HN commenters said

  1. “I think this one is quite interesting”

    Motor with reduction gears ending in concrete.

    kybernetikos, 2018-10 · Recommendation · in “An artwork by Banksy shredded itself after selling for $1.3M at Sotheby’s”

  2. “I quite like how a lot of his work seems to have a punchline to it.”

    Playful kinetic sculpture with a punchline.

    Doxin, 2025-07 · Recommendation · in “Different Clocks”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: gear reduction, worm gears, exponentials, mit museum, art

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