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Brad DeLong
2026年8月16日 22:53

GARY MARCUS：Anthropic在盈利吗？盈利多少？

(VERY PARTIAL-)CROSSPOST: GARY MARCUS: Is Anthropic Making Money? How Much Money?

没有人应该通过销售LLM服务而变得超级富有：Anthropic的IPO与“航空场景”；问题在于，当年我对谷歌和Facebook也是同样的看空态度，而我大错特错了……

Mostly Economics
2026年8月26日 13:05

书评：《生态社会主义》

Book Review: Ecosocialism

书评：生态社会主义 Michael Lowy. 2023. 《生态社会主义：资本主义灾难的激进替代方案》。Aakar Books南亚版。Annavajhula J C Bose，博士，前（经济学）教授，SRCC，DU 鉴于没有比较经济体制的课程

19FortyFive
2026年8月26日 17:08

海军曾估算660亿美元用于航母载F-22‘海猛禽’战斗机。取而代之的是以33亿美元开发了F/A-18超级大黄蜂

The Navy Estimated $66,100,000,000 for an Aircraft Carrier-based F-22 ‘Sea Raptor’ Fighter. It Developed the F/A-18 Super Hornet for $3,300,000,000 Instead

F-22 Raptor Fighter U.S. Air Force.

19FortyFive
2026年8月26日 19:05

12,000辆M48巴顿坦克被建造：原版M48使用汽油，仅能行驶135英里。柴油版续航里程翻倍以上

12,000 M48 Patton Tanks Were Built: The Original M48 Ran on Gasoline and Could Only Go 135 Miles. The Diesel Version More Than Doubled It.

M48 Patton Tank早期的M48装备

19FortyFive
2026年8月26日 17:55

12,000,000小时空中飞行：美国海军F/A-18超级大黄蜂虽不如F-22或F-35那样的隐形战斗机，却是伊朗战争中的首选战机

12,000,000 Hours in the Sky: The US Navy F/A-18 Super Hornet Is No Stealth Fighter Like the F-22 or F-35 But Was the Go To Fighter in the Iran War

A U.S. Navy F/A-18F and F-35, both assigned to Air Test and Evaluation Squadron (VX) 9, fly over the Point Mugu Sea Range in Southern California with a U.S. Air Force F-15 during Gray Flag 2024 on Sept. 24, 2024. Gray Flag is an annual large-forc

19FortyFive
2026年8月26日 22:46

美国海军已支付1.11亿美元用于停泊核动力航母USS Enterprise，等待拆解

The US Navy Has Paid $111,000,000 Just to Park Nuclear Aircraft Carrier USS Enterprise While It Waits to Be Taken Apart

ATLANTIC OCEAN (July 14, 2011) The aircraft carriers USS Enterprise (CVN 65) and USS Dwight D. Eisenhower (CVN 69) pass as Enterprise returns to homeport after completing a six-month deployment to the U.S. 5th and 6t Fleet areas of responsibility

19FortyFive
2026年8月26日 19:32

中国歼-16战斗机首次与法国达索阵风战斗机正面交锋，发生在埃及上空

A Chinese J-16 Fighter Went Head-to-Head With a French Dassault Rafale for the First Time in History, and It Happened Over Egypt

Dassault Rafale Overhead

19FortyFive
2026年8月26日 20:01

空军需要300亿美元的新型F-22猛禽轰炸机版本FB-22，速度可达1.8马赫

The Air Force Needed $30,000,000,000 for a New Type of F-22 Raptor as a Bomber That Would Fly Mach 1.8 Named the FB-22

FB-22 Stealth Bomber Artist Rendering

19FortyFive
2026年8月25日 18:02

82,000吨对8,957吨：当美国海军航母以25节速度撞击巡洋舰时发生了什么，核武器可能引爆

82,000 Tons Against 8,957: What Happened When a US Navy Aircraft Carrier Hit a Cruiser at 25 Knots and Nuclear Weapons Could Have Detonated

USS John F. Kennedy在

19FortyFive
2026年8月25日 19:03

美国海军核动力航母USS Enterprise拥有8座反应堆，退役费用至少14.3亿美元。USS Nimitz拥有2座核反应堆，退役费用至少10亿美元

US Navy Nuclear Aircraft Carrier USS Enterprise Has 8 Reactors and Will Cost at Least $1,430,000,000 to Retire. USS Nimitz Has 2 Nuclear Reactors and Will Cost at Least $1,000,000,000 to Retire

220213-N-TL932-1221 PACIFIC OCEAN (Feb. 13, 2022) Nimitz-class aircraft carriers USS Carl Vinson (CVN 70), back, and USS Nimitz (CVN 68) transit the Pacific Ocean, Feb. 13, 2022. Vinson and Nimitz are currently conducting routine maritime operati

19FortyFive
2026年8月26日 15:15

美国陆军依赖加拿大生产155毫米炮弹

The US Army Is Dependent on Canada for 155mm Artillery Shell Production

155mm like the ones used in Ukraine. Image Credit: Creative Commons.

19FortyFive
2026年8月26日 14:09

7万磅弹药轰炸伊朗：美国空军B-52H同温层堡垒轰炸机早在1961年服役，至今仍在飞行的魔力

70,000 Pounds of Ordinance and It Bombed Iran: The US Air Force B-52H Stratofortress Bomber Went Into Service All the Way Back in 1961 and There Is a Certain Magic That Keeps It Still Flying Today

B-52 Bomber最简单的原因是

19FortyFive
2026年8月25日 17:19

美国空军F-22猛禽可能是2026年地球上最好的战斗机，这不仅仅是隐身能力，歼-20和苏-57飞行员应该担忧

The US Air Force F-22 Raptor Might Be the Best Fighter Jet On Earth in 2026 and It Isn’t All About Stealth and That Should Worry J-20 and Su-57 Felon Pilots

U.S. Air Force Capt. Nick “Laz” Le Tourneau, pilot and commander of the F-22 Raptor Aerial Demonstration Team, performs an aerial demonstration for the Chicago Air and Water Show in Chicago, Illinois, August 16, 2026. Le Tourneau showcased the ai

19FortyFive
2026年8月25日 15:30

中国歼-36战斗机设计者称AI编造了虚假战斗机规格：长度、载荷、速度、作战半径

China’s J-36 Fighter Designers Say AI Invents Fake Fighter Jet Specifications: Length, Payload, Speed, Combat Radius

J-36 Fighter X Screenshot

19FortyFive
2026年8月26日 16:46

2,077年后，尤利乌斯·凯撒关于痛苦的23个词仍然是关于士兵的最真实文字

2,077 Years Later, Julius Caesar’s 23 Words About Pain Are Still the Truest Thing Ever Written About Soldiers

Julius Caesar PBS Series Promo Handout

19FortyFive
2026年8月26日 14:32

美国空军速度2.25马赫的F-22猛禽隐形战斗机每架成本3.5亿美元，具备对抗中国歼-20和俄罗斯苏-57的所有工具

The US Air Force’s Mach 2.25 F-22 Raptor Stealth Fighter Costs $350,000,000 Per Plane and Has All the Tools to Take on China’s J-20 and Russia’s Su-57 Felon

A 325th Fighter Wing F-22A Raptor takes off for a mission Oct. 28 at Eglin Air Force Base, Fla. A squadron of the wing's Raptors have been at Eglin since Hurricane Michael devastated Tyndall Air Force Base in 2018. (U.S. Air Force photo/Jaime Bis

19FortyFive
2026年8月26日 15:45

F-22猛禽隐形战斗机永远不会加入以色列空军：这意味着新型3亿美元的F-47 NGAD隐形战斗机也可能不会

The F-22 Raptor Stealth Fighter Won’t Ever Join the Israeli Air Force: That Means the New $300,000,000 F-47 NGAD Stealth Fighter Might Not Either

NGAD artist concept from Northrop Grumman.

19FortyFive
2026年8月26日 15:57

81年后，乔治·巴顿在凡尔登的48小时承诺仍是美国陆军将军在简报室中说过的最胆大妄为的话

81 Years Later, George Patton’s 48-Hour Promise at Verdun Is Still the Most Audacious Thing Any US Army General Said in a Briefing Room

General George Patton这位