Tap a claim on the ring to put it at the centre.
← Nine tenths of the cost of Mars Sample Return comes from a single planetary-protection requirement.
17 connected korrents · 18 moments from 30 May 2013 to 26 Sept 2026.
Everything filed under space
space
Everything filed under America
America
Everything filed under climate change
climate change
Everything filed under war
war
Everything filed under physics
physics
Everything filed under robotics
robotics
Everything filed under semiconductors
semiconductors
Everything filed under product management
product management
Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject 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 a year 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
CH
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 field has to pursue both answers at once.
Last stated 7 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 2 months 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: Production on the Moon and Mars will accelerate by far more than double every year until natural limits are encountered. — tap to centre the map on it
Production on the Moon and Mars will accelerate by far more than double every year until natural limits are encountered.
Last stated 4 weeks ago
26 Sept 2026
EM
Elon Musk — holds since 2026-09-26 — 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 one before it.
Last stated a year 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
CH
Casey Handmer — holds since 2024-10-02 — tap for who they are
Same subject: A century of fire suppression policy in the American West has dangerously overloaded forests with fuel and made megafires more likely. — tap to centre the map on it
A century of fire suppression policy in the American West has dangerously overloaded forests with fuel and made megafires more likely.
Last stated 2 months ago
22 Aug 2026
JP
Jennifer Pahlka — holds since 2026-08-22 — tap for who they are
Same subject: A city's first rail line comes in at a reasonable cost and every line after it does not, because the follow-up outgrows the in-house team that oversaw the pilot. — tap to centre the map on it
A city's first rail line comes in at a reasonable cost and every line after it does not, because the follow-up outgrows the in-house team that oversaw the pilot.
Last stated 2 years ago
7 Dec 2024
AL
Alon Levy — holds since 2024-12-07 — tap for who they are
Same subject: A clear path to citizenship for undocumented immigrants is compatible with enforcing the law — tap to centre the map on it
A clear path to citizenship for undocumented immigrants is compatible with enforcing the law
Last stated 13 years ago
30 May 2013
OW
Oprah Winfrey — holds since 2013-05-30 — tap for who they are
Same subject: 'As long as it takes' lacks urgency, and it is a formula available to Ukraine's allies precisely because they are not the ones doing the fighting. — tap to centre the map on it
'As long as it takes' lacks urgency, and it is a formula available to Ukraine's allies precisely because they are not the ones doing the fighting.
Last stated a year ago
10 Oct 2025
LF
Lawrence Freedman — holds since 2025-10-10 — tap for who they are
Same subject: 9/11 and Osama bin Laden's actions fundamentally shaped the world we live in today. — tap to centre the map on it
9/11 and Osama bin Laden's actions fundamentally shaped the world we live in today.
Last stated a month ago
11 Sept 2026
MY
Matthew Yglesias — holds since 2026-09-11 — tap for who they are
Same subject: A ceasefire along the current lines would end the killing and still leave a long-term settlement between Russia and Ukraine possible. — tap to centre the map on it
A ceasefire along the current lines would end the killing and still leave a long-term settlement between Russia and Ukraine possible.
Last stated 2 months ago
26 Aug 2026
BM
Branko Milanovic — holds since 2026-08-26 — tap for who they are
Same subject: "Carbon intensity" metrics let oil companies claim climate progress even as their total emissions rise from increased production. — tap to centre the map on it
"Carbon intensity" metrics let oil companies claim climate progress even as their total emissions rise from increased production.
Last stated a month ago
9 Sept 2026
EA
Emily Atkin — holds since 2026-09-09 — tap for who they are
Same subject: A hybrid-electric airliner ends up heavier and more complex than the aircraft it replaces and delivers no fuel saving at all. — tap to centre the map on it
A hybrid-electric airliner ends up heavier and more complex than the aircraft it replaces and delivers no fuel saving at all.
Last stated 6 years ago
2 Apr 2021
BF
Bjorn Fehrm — holds since 2021-04-02 — tap for who they are
Same subject: A regional climate extreme set during an ecological disaster is not evidence that the whole country or planet was hotter — tap to centre the map on it
A regional climate extreme set during an ecological disaster is not evidence that the whole country or planet was hotter
Last stated 3 months ago
22 Jul 2026
ZH
Zeke Hausfather — holds since 2026-07-22 — tap for who they are
same subject or similar wording a cloud: claims about one subject, named for it bar: when it was last stated, on a scale from 2013 to today (stretched back to the oldest claim here) — full is today a face: someone who holds the claim — tap it for who they are