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← Air cooling has run out of headroom for AI racks, so liquid cooling is now a requirement rather than an upgrade.
12 connected korrents · 12 moments on record from 2 Apr 2021 to 4 Sept 2026.
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batteries 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: Air cooling has run out of headroom for AI racks, so liquid cooling is now a requirement rather than an upgrade. Air cooling has run out of headroom for AI racks, so liquid cooling is now a requirement rather than an upgrade. Last stated 2 years ago
10 Jun 2024
DO
Doug O'Laughlin — holds since 2024-04-04 — tap for who they are
BP
Brian Potter — holds since 2024-06-10 — tap for who they are
AV
Austin Vernon — holds since 2024-04-18 — tap for who they are
Same subject: The binding constraint on AI is not chips but the physical plant around them — power, transformers, cooling and networking. — tap to centre the map on it The binding constraint on AI is not chips but the physical plant around them — power, transformers, cooling and networking. Last stated a week ago
29 Aug 2026
EM
Elon Musk — holds since 2026-08-29 — tap for who they are
Same subject: The numbers an AI engineer should know by heart are memory bandwidths and the energy cost of a single operation. — tap to centre the map on it The numbers an AI engineer should know by heart are memory bandwidths and the energy cost of a single operation. Last stated a month ago
30 Jul 2026
JD
Jeff Dean — holds since 2026-07-30 — tap for who they are
Same subject: Cooling adds nothing to what a data centre produces, which is why it is the first thing a good design deletes rather than optimises. — tap to centre the map on it Cooling adds nothing to what a data centre produces, which is why it is the first thing a good design deletes rather than optimises. Last stated 2 years ago
18 Apr 2024
AV
Austin Vernon — holds since 2024-04-18 — tap for who they are
Same subject: A solar panel is a manufactured object that produces wealth rather than consuming it, at a hundred times the rate of the best farmland. — tap to centre the map on it A solar panel is a manufactured object that produces wealth rather than consuming it, at a hundred times the rate of the best farmland. Last stated 2 years ago
9 Nov 2024
CH
Casey Handmer — holds since 2024-11-09 — tap for who they are
Same subject: A spacecraft built to service satellites is also a weapon, because the same robotic arm that refuels one can disable one. — tap to centre the map on it A spacecraft built to service satellites is also a weapon, because the same robotic arm that refuels one can disable one. Last stated 2 years ago
25 Mar 2024
BC
Brian G. Chow — holds since 2024-03-25 — tap for who they are
Same subject: AI coding agents pulling unknown code onto corporate networks will be exploited, and it will take the shape of a supply-chain attack. — tap to centre the map on it AI coding agents pulling unknown code onto corporate networks will be exploited, and it will take the shape of a supply-chain attack. Last stated 4 days ago
4 Sept 2026
BS
Bruce Schneier — holds since 2026-09-04 — tap for who they are
Same subject: Most nuclear companies will not have this solved by 2031, and many still will not by 2035, because they have the wrong mindset. — tap to centre the map on it Most nuclear companies will not have this solved by 2031, and many still will not by 2035, because they have the wrong mindset. Last stated 3 weeks ago
15 Aug 2026
IT
Isaiah Taylor — holds since 2026-08-15 — tap for who they are
Same subject: Most of the nuclear industry is a modelling and simulation business producing paper reactors, not a business that builds them. — tap to centre the map on it Most of the nuclear industry is a modelling and simulation business producing paper reactors, not a business that builds them. Last stated 3 weeks ago
15 Aug 2026
IT
Isaiah Taylor — holds since 2026-08-15 — tap for who they are
Same subject: Nuclear safety should be pursued by reducing the consequence of an accident rather than its odds, because something unpredictable always happens. — tap to centre the map on it Nuclear safety should be pursued by reducing the consequence of an accident rather than its odds, because something unpredictable always happens. Last stated 3 weeks ago
15 Aug 2026
IT
Isaiah Taylor — holds since 2026-08-15 — tap for who they are
Same subject: Battery-electric airliners do not work even on optimistic assumptions, and the arithmetic said so before anyone built one. — tap to centre the map on it Battery-electric airliners do not work even on optimistic assumptions, and the arithmetic said so before anyone built one. Last stated 5 years ago
2 Apr 2021
BF
Bjorn Fehrm — holds since 2021-04-02 — tap for who they are
Same subject: Below about a thousand dollars a kilowatt of capital cost, the right way to run a plant is intermittently on raw solar with no batteries at all. — tap to centre the map on it Below about a thousand dollars a kilowatt of capital cost, the right way to run a plant is intermittently on raw solar with no batteries at all. Last stated 2 years ago
9 Nov 2024
CH
Casey Handmer — holds since 2024-11-09 — tap for who they are
Same subject: China's industrial lead was manufactured by deliberate state industrial policy rather than by market forces alone. — tap to centre the map on it China's industrial lead was manufactured by deliberate state industrial policy rather than by market forces alone. Last stated a month ago
29 Jul 2026
DW
Dan Wang — holds since 2024-01-23 — tap for who they are
AT
Adam Tooze — holds since 2026-07-29 — tap for who they are
At the centre
Air cooling has run out of headroom for AI racks, so liquid cooling is now a requirement rather than an upgrade.
Holds DO Doug O'LaughlinBP Brian PotterAV Austin VernonRead this korrent →
The binding constraint on AI is not chips but the physical plant around them — power, transformers, cooling and networking.
Holds
The numbers an AI engineer should know by heart are memory bandwidths and the energy cost of a single operation.
Holds JD Jeff Dean
Cooling adds nothing to what a data centre produces, which is why it is the first thing a good design deletes rather than optimises.
Holds AV Austin Vernon
A solar panel is a manufactured object that produces wealth rather than consuming it, at a hundred times the rate of the best farmland.
Holds CH Casey Handmer
A spacecraft built to service satellites is also a weapon, because the same robotic arm that refuels one can disable one.
Holds BC Brian G. Chow
AI coding agents pulling unknown code onto corporate networks will be exploited, and it will take the shape of a supply-chain attack.
Holds BS Bruce Schneier
Most nuclear companies will not have this solved by 2031, and many still will not by 2035, because they have the wrong mindset.
Holds IT Isaiah Taylor
Most of the nuclear industry is a modelling and simulation business producing paper reactors, not a business that builds them.
Holds IT Isaiah Taylor
Nuclear safety should be pursued by reducing the consequence of an accident rather than its odds, because something unpredictable always happens.
Holds IT Isaiah Taylor
Battery-electric airliners do not work even on optimistic assumptions, and the arithmetic said so before anyone built one.
Holds BF Bjorn Fehrm
Below about a thousand dollars a kilowatt of capital cost, the right way to run a plant is intermittently on raw solar with no batteries at all.
Holds CH Casey Handmer
China's industrial lead was manufactured by deliberate state industrial policy rather than by market forces alone.
Holds DW Dan WangAT Adam Tooze