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This still gives me chills.
Carl Sagan demonstrates how the Greeks figured out the Earth was round and correctly calculated its circumference — 2,000 years ago:
We made a gun detector using machine learning that plugs into existing cameras. The image you're looking at is raw data straight from the output feed.
I explain how it works in my new video (which might see limited distribution due to guns throughout).
https://t.co/hlgd3B06uD
11 years ago today, we launched our first successful mission. To date, we’ve completed 78 launches and have developed the world’s only operational reusable orbital class rockets and spacecraft—capable of launching to space, returning to Earth, and flying again