Uploaded March 2026 | Updated September 2026, 2 weeks ago

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Think the Hyperloop is futuristic? In 1869, Alfred Eli Beach secretly built a "pneumatic" subway under Manhattan to beat Broadway’s traffic. Using a massive fan to literally push and suck a passenger car through a 312-foot sealed tunnel, this engineering marvel operated for a year before being blocked by political corruption and hidden for decades. Discover the incredible true story of the high-speed transit idea that was 150 years ahead of its time!

#nyc #history #engineering #hyperloop #elonmusk #subway #science #everydayscience