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← A small, highly aerodynamic aircraft can beat an airliner on fuel per…
13 connected korrents · 9 moments on record from 3 Nov 2008 to 15 Aug 2026.
Everything filed under batteries
batteries
Everything filed under nuclear power
nuclear power
Everything filed under aviation
aviation
Everything filed under energy
energy
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solar
Everything filed under solar
solar 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: A small, highly aerodynamic aircraft can beat an airliner on fuel per passenger mile, because drag reduction gets harder as the fuselage grows. A small, highly aerodynamic aircraft can beat an airliner on fuel per passenger mile, because drag reduction gets harder as the fuselage grows. Last stated 5 years ago
by 25 Oct 2021
AV
Austin Vernon — holds since 2021-10-25 — 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 5 years ago
2 Apr 2021
BF
Bjorn Fehrm — holds since 2021-04-02 — tap for who they are
Same subject: Sustainable aviation fuel cannot be scaled to the size of the fleet, because its feedstock competes with growing food. — tap to centre the map on it Sustainable aviation fuel cannot be scaled to the size of the fleet, because its feedstock competes with growing food. Last stated 5 years ago
2 Apr 2021
BF
Bjorn Fehrm — holds since 2021-04-02 — tap for who they are
Same subject: Airplanes are already almost as energy-efficient as they could possibly be, so no redesign will radically improve their efficiency. — tap to centre the map on it Airplanes are already almost as energy-efficient as they could possibly be, so no redesign will radically improve their efficiency. Last stated 18 years ago
3 Nov 2008
DM
David MacKay — holds since 2008-11-03 — tap for who they are
Same subject: Electrification transfers badly from cars to aircraft, because a car engine is under 10% efficient while a modern aero engine is already 30 to 40%. — tap to centre the map on it Electrification transfers badly from cars to aircraft, because a car engine is under 10% efficient while a modern aero engine is already 30 to 40%. Last stated 5 years ago
28 Jan 2022
BF
Bjorn Fehrm — holds since 2022-01-28 — 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: A data centre powered by solar and batteries alone needs an array so oversized that the design is not worth building. — tap to centre the map on it A data centre powered by solar and batteries alone needs an array so oversized that the design is not worth building. 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 solar-powered data centre can cut its power draw a great deal while giving up very little compute, which is how it survives a run of bad weather. — tap to centre the map on it A solar-powered data centre can cut its power draw a great deal while giving up very little compute, which is how it survives a run of bad weather. Last stated a year ago
15 Aug 2025
CH
Casey Handmer — holds since 2025-08-15 — tap for who they are
Same subject: About a fifth of the US grid could be freed for data centres just by covering the yearly peak with batteries or peaker plants. — tap to centre the map on it About a fifth of the US grid could be freed for data centres just by covering the yearly peak with batteries or peaker plants. Last stated 6 months ago
13 Mar 2026
DP
Dylan Patel — holds since 2026-03-13 — tap for who they are
Same subject: An off-grid data centre can delete its uninterruptible power supplies entirely, because the battery bank outside already is one. — tap to centre the map on it An off-grid data centre can delete its uninterruptible power supplies entirely, because the battery bank outside already is one. Last stated 2 years ago
18 Apr 2024
AV
Austin Vernon — holds since 2024-04-18 — 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
At the centre
A small, highly aerodynamic aircraft can beat an airliner on fuel per passenger mile, because drag reduction gets harder as the fuselage grows.
Holds AV Austin VernonRead this korrent →
A hybrid-electric airliner ends up heavier and more complex than the aircraft it replaces and delivers no fuel saving at all.
Holds BF Bjorn Fehrm
Sustainable aviation fuel cannot be scaled to the size of the fleet, because its feedstock competes with growing food.
Holds BF Bjorn Fehrm
Airplanes are already almost as energy-efficient as they could possibly be, so no redesign will radically improve their efficiency.
Holds DM David MacKay
Electrification transfers badly from cars to aircraft, because a car engine is under 10% efficient while a modern aero engine is already 30 to 40%.
Holds BF Bjorn Fehrm
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
A data centre powered by solar and batteries alone needs an array so oversized that the design is not worth building.
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 solar-powered data centre can cut its power draw a great deal while giving up very little compute, which is how it survives a run of bad weather.
Holds CH Casey Handmer
About a fifth of the US grid could be freed for data centres just by covering the yearly peak with batteries or peaker plants.
Holds DP Dylan Patel
An off-grid data centre can delete its uninterruptible power supplies entirely, because the battery bank outside already is one.
Holds AV Austin Vernon
Battery-electric airliners do not work even on optimistic assumptions, and the arithmetic said so before anyone built one.
Holds BF Bjorn Fehrm