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Throughline · August 27, 2026 · 52m

The pillage that fueled America's tech booms

Throughline explores how cobalt, an essential ingredient in the batteries that power smartphones, laptops, and electric vehicles, connects our daily technology to one of the world's most dangerous jobs. More than three-quarters of the world's cobalt supply lies in the Democratic Republic of Congo, a nation whose vast mineral wealth has attracted outside greed and exploitation for centuries. The episode traces this history from colonial atrocities to present-day mining conditions, revealing the fight for resource control and the dignity of the people who produce them.

This summary was generated from show notes and public descriptions, not from a full transcript review. Details may contain inaccuracies.

Canon

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The Democratic Republic of Congo's immense mineral wealth, including cobalt, has historically made it a target for foreign exploitation rather than a source of domestic prosperity—a classic example of the resource curse.

Highlights

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Cobalt: The hidden ingredient powering modern life
Cobalt is a critical component in the lithium-ion batteries found in smartphones, laptops, and electric vehicles, yet its extraction relies on some of the most dangerous mining labor in the world.
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The fight for dignity in the cobalt supply chain
Beyond the physical dangers of mining, the episode centers the struggle of Congolese workers to assert their dignity and demand fair treatment within the global cobalt trade.
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Colonial history as a prologue to today's tech supply chains
The brutal colonial extraction of Congo’s resources under King Leopold II set a precedent for the exploitative dynamics that still characterize parts of the contemporary mineral trade.

References

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Cobalt Red: How the Blood of the Congo Powers Our Lives — Siddharth Kara — Examines the human toll of cobalt mining in the DRC.
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King Leopold's Ghost — Adam Hochschild — Chronicles the colonial exploitation of the Congo under King Leopold II.

Misc

✧Originally aired in 2023 as part of the Hidden Histories series.
✧Features a former UN ambassador for the DRC, an art historian, and investigative authors.
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