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Courtney’s Reviews > The Substance of Civilization: Materials and Human History from the Stone Age to the Age of Silicon > Status Update

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Courtney is 70% done
— Mar 28, 2026 12:24AM
The Substance of Civilization: Materials and Human History from the Stone Age to the Age of Silicon

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Courtney
Courtney is 55% done
— Mar 27, 2026 05:46PM
The Substance of Civilization: Materials and Human History from the Stone Age to the Age of Silicon


Courtney
Courtney is 45% done
— Mar 27, 2026 03:48AM
The Substance of Civilization: Materials and Human History from the Stone Age to the Age of Silicon


Courtney
Courtney is 30% done
— Mar 26, 2026 02:53PM
The Substance of Civilization: Materials and Human History from the Stone Age to the Age of Silicon


Courtney
Courtney is 20% done
— Mar 26, 2026 05:29AM
The Substance of Civilization: Materials and Human History from the Stone Age to the Age of Silicon


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