Why Helicopters Were So Hard to Invent @92ndStreetY
Why Helicopters Were So Hard to Invent @92ndStreetY
Uploaded May 2026 | Updated September 2026, 3 weeks ago
Neil deGrasse Tyson and Alan Alda connect pop culture, war history, Leonardo da Vinci, and physics to explain why helicopters were so hard to invent. Watch the full program: youtu.be/syIb73RQqVU

Here's more with Neil deGrasse Tyson: youtube.com/playlist?list=PLwu-aG_P0V0Bxe0-VFsTVpGs0XkRWiD82

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Why Helicopters Were So Hard to Invent

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