Brigham McCown discusses the history of power throughout human history, focusing on the transition from manual labor to the use of different energy sources. In conclusion, he talks about the use of biomass energy and hints at a future discussion on the future of energy generation.
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A weapon is mounted on the Lehit ground robotic system, developed by specialists of the International Legion under the Defence Intelligence of Ukraine, during a demonstration in Ukraine on December 9, 2025. (Getty Images)