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This Giant Cannon Propels Satellites at 28,400 KM/H—Exactly as Jules Verne Predicted It 160 Years Ago

Summary by The Daily Galaxy
In a quiet corner of a former naval base near San Francisco Bay, engineers are firing metal projectiles faster than the speed of sound—again and again. There’s no rocket fuel, no launchpad flame, and no countdown. Just a deep mechanical hum, a blast of compressed gas, and a thunderclap that echoes across the hangar walls. It sounds more like experimental artillery than aerospace engineering. But the team behind it insists this platform isn’t bui…
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The Daily Galaxy broke the news in on Sunday, December 7, 2025.
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