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← Nine tenths of the cost of Mars Sample Return comes from a single planetary-protection requirement.
8 connected korrents · 9 moments on record from 28 Oct 2021 to 4 Sept 2026.
Everything filed under design
design Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Read this korrent: Nine tenths of the cost of Mars Sample Return comes from a single planetary-protection requirement. Nine tenths of the cost of Mars Sample Return comes from a single planetary-protection requirement. Last stated 12 months ago
13 Sept 2025
CH
Casey Handmer — holds since 2025-09-13 — tap for who they are
Same subject: Mars Sample Return as designed is too complicated, too slow and too expensive to succeed. — tap to centre the map on it Mars Sample Return as designed is too complicated, too slow and too expensive to succeed. Last stated 3 years ago
26 Nov 2023
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Casey Handmer — holds since 2023-11-26 — tap for who they are
Same subject: Anomalies cannot be sorted in advance: the same move that found Neptune failed completely for Mercury, so a field has to pursue both answers at once. — tap to centre the map on it Anomalies cannot be sorted in advance: the same move that found Neptune failed completely for Mercury, so a… Last stated 5 months ago
7 Apr 2026
MN
Michael Nielsen — holds since 2026-04-07 — tap for who they are
Same subject: There is not yet a frontier foundation model robust enough for robotics. — tap to centre the map on it There is not yet a frontier foundation model robust enough for robotics. Last stated 3 days ago
4 Sept 2026
FL
Fei-Fei Li — holds since 2026-09-04 — tap for who they are
Same subject: Chips are getting more expensive mainly because they take more process steps, not because the tools got dearer. — tap to centre the map on it Chips are getting more expensive mainly because they take more process steps, not because the tools got dearer. Last stated 5 years ago
22 Nov 2021
DO
Doug O'Laughlin — holds since 2021-11-22 — tap for who they are
Same subject: Getting from a demo to a product is a march of nines, and each additional nine costs the same amount of work as the one before it. — tap to centre the map on it Getting from a demo to a product is a march of nines, and each additional nine costs the same amount of work as the… Last stated 11 months ago
17 Oct 2025
AK
Andrej Karpathy — holds since 2025-10-17 — tap for who they are
Same subject: Landing people on Mars would contaminate it and destroy the evidence of life we went there to find. — tap to centre the map on it Landing people on Mars would contaminate it and destroy the evidence of life we went there to find. Last stated 4 years ago
1 Jan 2023
MC
Maciej Cegłowski — holds since 2023-01-01 — tap for who they are
Same subject: NASA's flagship programmes eat the budget of the robotic science missions that actually make the discoveries. — tap to centre the map on it NASA's flagship programmes eat the budget of the robotic science missions that actually make the discoveries. Last stated 2 years ago
2 Oct 2024
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Casey Handmer — holds since 2024-10-02 — tap for who they are
Same subject: Once launch is cheap, the engineering effort spacecraft designers spend shaving off mass buys nothing. — tap to centre the map on it Once launch is cheap, the engineering effort spacecraft designers spend shaving off mass buys nothing. Last stated 5 years ago
28 Oct 2021
CH
Casey Handmer — holds since 2021-10-28 — tap for who they are