The SR-71 Blackbird flew 85,000 feet up at over Mach 3, where the air outside was –60°F but its titanium skin burned at 600°F from speed alone. At that height, the sky went black and the Earth curved below. A feat in American techno-futurism. https://t.co/FqUc3d01mj
— 🇺🇸 Based Americana 🇺🇸 (@basedandbiased1) Oct 12, 2025
from Twitter https://twitter.com/basedandbiased1
October 12, 2025 at 03:49AM
via IFTTT
No comments:
Post a Comment