gekko
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White Tiles, Hard Lessons
Starship’s white heat-shield tiles are not cosmetic. They reveal the messy, iterative reality of frontier engineering and SpaceX’s persistent path to reusability.
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Deinococcus radiodurans and the Spaceflight Question Hidden in a Bacterium
What makes Deinococcus radiodurans so hard to kill, and could its chemistry help protect astronauts from radiation and oxidative damage?
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Memory by Round-Trip Time
When John Carmack recently mused about storing model weights not in DRAM but effectively “in flight” inside long fiber-optic loops, I felt the peculiar satisfaction of seeing a childhood thought experiment return wearing a proper engineer’s clothes. His version is, naturally, better. It has numbers, materials, bandwidth, realistic constraints, and the kind of sober physicality…
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Starliner’s Type A Wake-Up Call: When “Two Providers” Becomes a Safety Variable
On February 19, 2026, NASA did something agencies rarely do in public: it upgraded the historical record. In a NASA news release tied to a press conference, the agency formally declared Boeing’s CST-100 Starliner Crewed Flight Test (CFT) a “Type A mishap”—NASA’s highest mishap classification—despite the fact that the crew survived and the mission ultimately…
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Neuralink and the Moon Stack: Less Mind Reading, More Control
Neuralink fits Moon/Mars less as “thought decoding” and more as a rugged interface – and a richer feedback channel for safer human+AI ops.
