′′ Le vélo est la mort lente de la planète ".
Un banquier a fait réfléchir les économistes quand il a déclaré : ′′
Un cycliste est une catastrophe pour l'économie du pays :
il n'achète pas de voitures et n'emprunte pas d'argent pour l'acheter.
Il ne paie pas les polices d'assurance.
N'achète pas de carburant, ne paie pas pour la révision et les réparations nécessaires de la voiture.
N 'utilise pas de parking payant.
Il ne provoque pas d'accidents majeurs.
Ne nécessite pas d'autoroutes multiples.
Il ne devient pas obèse.
Les gens en bonne santé ne sont pas nécessaires ou utiles à l'économie.
Ils n'achètent pas de médicaments, ils ne vont pas dans les hôpitaux ou chez les médecins, ils n'ajoutent rien au PIB du pays.
Tandis que chaque nouveau magasin McDonald' s crée au moins :
30 emplois,
dont 10 cardiologues,
10 dentistes,
10 experts en régime alimentaire et nutritionnistes,
ainsi que les personnes qui travaillent dans le magasin lui-même, évidemment ".
Choisissez donc avec attention : un vélo ou un Mc Donald ?
Ça vaut la peine d'y penser...
PS : marcher c'est encore pire car les piétons n'achètent même pas de vélo !
A modern wind turbine looks deceptively simple from the outside.
The largest onshore turbines now use blades stretching beyond 80 metres, sweeping more than 20,000 m² of air. Yet the entire structure rotates at only around 10-20 RPM.
Actually, inside the nacelle is a precision gearbox that transforms this slow, high-torque rotation into the 1,000-1,800 RPM required by the generator.
This gearbox is one of the most demanding mechanical systems in renewable energy. It continuously transmits megawatts of power, while surviving changing wind loads, vibration and billions of fatigue cycles over a 20-25 year lifespan.
Inside are planetary gear stages, precision-ground alloy steel gears, advanced bearings, lubrication systems and cooling circuits. Some of the largest geared turbines contain close to 1000+ liters of specialised synthetic oil to manage lubrication and heat during continuous operation.
A single large onshore turbine can cost around $4-5 million, with complete projects costing significantly more after foundations, roads, electrical systems and installation. The goal is for the machine to recover its capital cost within roughly 5-10 years, then continue producing electricity for decades.
This is why reliability is the biggest challenge. Gearboxes, bearings, generators and electrical systems remain critical failure points, pushing engineers toward better materials, sensors and predictive maintenance.
The scale of this industry is enormous. China has become the world’s largest wind turbine manufacturing and exporting hub, with several Chinese companies among the largest turbine suppliers globally.
Building a wind turbine is not just about capturing wind in an efficient manner,
It is about creating a machine that can convert wind energy into electricity for millions of hours with minimal human intervention and sustain millions of load cycles.
중국 모델들이 증류로 앤트로픽을 베끼는 게 공정하냐는 질문에 카프가 27초 만에 급소를 찔렀음
"모델들이 그 가치를 어떻게 얻었다고 생각하나? 전 세계 모든 IP를 증류했다. 기업 IP까지 전부"
프론티어 랩이 증류 피해자 행세할 자격이 없다는 거임. 세상 IP 다 빨아들여 만든 모델인데 남이 증류하니까 불공정하다? "1500년대 마을 사람처럼 순진하게 굴 수도 있겠지"가 카프식 정리. 그러고는 윤리적으로 돌아가는 길은 네가 통제하는 컴퓨트 위 응용계층 하나뿐이라며 결국 팔란티어 세일즈로 닫는 것까지 한결같음
Na Tailândia existe uma cultura inteira de pessoas que montam motores diesel modificados em suportes no meio da rua apenas para competir quem tem o som mais alto e a maior pressão de turbo, sem sequer ter um carro em volta.
Na Tailândia existe uma cultura inteira de pessoas que montam motores diesel modificados em suportes no meio da rua apenas para competir quem tem o som mais alto e a maior pressão de turbo, sem sequer ter um carro em volta.