Why does China use iron instead of stainless steel for its railway tracks?

Why does China use iron instead of stainless steel for its railway tracks?

Why does China use iron instead of stainless steel for its railway tracks?China's railway construction, from the birth of the Shanghai Public Tramway in 1861 to the nationwide railway network today, has spanned over a century, witnessing technological advancements and the changing times. Throughout this long development process, the materials used for railway tracks have evolved from cast iron to steel and then to high manganese steel...

 Alipay User Tiers: Wealth Stratification or Consumer Discrimination?

Alipay User Tiers: Wealth Stratification or Consumer Discrimination?

Alipay User Tiers: Wealth Stratification or Consumer Discrimination?Alipay has recently launched a user tier system, differentiating interface colors and services based on user asset levels, sparking heated discussions among netizens. Some perceive this as blatant consumer discrimination, while others see it as perfectly acceptable...

 Air Conditioner Forgetfulness Mode: Unveiling the Truths Behind Refrigerant and Evaporator

Air Conditioner Forgetfulness Mode: Unveiling the Truths Behind Refrigerant and Evaporator

Air Conditioner Forgetfulness Mode: Unveiling the Truths Behind Refrigerant and EvaporatorDuring scorching summers, air conditioners are indispensable for cooling down. However, have you ever encountered a situation where your air conditioner is on, yet you still feel unbearably hot? This could be a sign that your air conditioner has entered forgetfulness mode...

  Ronshen 503IDP Refrigerator: IDP Active Antibacterial Technology Ushers in a New Era of Healthy Food Preservation

Ronshen 503IDP Refrigerator: IDP Active Antibacterial Technology Ushers in a New Era of Healthy Food Preservation

Ronshen 503IDP Refrigerator: IDP Active Antibacterial Technology Ushers in a New Era of Healthy Food PreservationOn August 25th, Ronshen Refrigerator officially launched its new flagship product - the Ronshen 503IDP Refrigerator, and opened pre-orders. This refrigerator is centered around user needs, integrating IDP Active Antibacterial and Deodorizing Technology, Blue Light SPA Freshness, and a 60cm ultra-thin, flat-embedded design with a large storage capacity, once again leading the new trend in the refrigerator industry...

 Why Did China's Space Station Choose Japan Over South Korea? A Complex Calculation

Why Did China's Space Station Choose Japan Over South Korea? A Complex Calculation

Why Did China's Space Station Choose Japan Over South Korea? A Complex Calculation...

 ASML's Potential Departure from the Netherlands: A Tech Giant's Choice and the Global Chip Industry's Tremors

ASML's Potential Departure from the Netherlands: A Tech Giant's Choice and the Global Chip Industry's Tremors

ASML's Potential Departure from the Netherlands: A Tech Giant's Choice and the Global Chip Industry's TremorsASML holds the reins to cutting-edge EUV lithography technology, providing crucial equipment and solutions for global semiconductor manufacturing. The company employs over 40,000 people worldwide, with approximately 23,000 of its elite workforce based at its headquarters in the Netherlands...

 The Lunar Time Dispute: The Game Behind the US's

The Lunar Time Dispute: The Game Behind the US's "Coordinated Lunar Time"

The Lunar Time Dispute: The Game Behind the US's "Coordinated Lunar Time"The recent proposal by NASA for a "Coordinated Lunar Time," aimed to be an international standard, has been met with opposition from China and Russia. What are the reasons behind this dispute? How will the future lunar time standard be determined? This debate not only concerns the efficiency of lunar exploration but also points to the future of global space governance...

 Top News Today: World's Largest Wind Turbine Blade Tested, First Monkeypox Variant in Thailand

Top News Today: World's Largest Wind Turbine Blade Tested, First Monkeypox Variant in Thailand

Top News Today: World's Largest Wind Turbine Blade Tested, First Monkeypox Variant in Thailand The world's largest wind turbine blade, MySE292, was first installed and tested in Lingao County, Hainan. Developed by Mingyang Group, the blade has a diameter of 292 meters and is expected to boost Hainan's offshore wind power industry...

 Boeing Starliner Crisis: Two Astronauts Stranded for 8 Months, Rescued by Dragon!

Boeing Starliner Crisis: Two Astronauts Stranded for 8 Months, Rescued by Dragon!

Boeing Starliner Crisis: Two Astronauts Stranded for 8 Months, Rescued by Dragon!NASA has announced that two Boeing astronauts, Butch Wilmore and Suni Williams, stranded on the International Space Station, will not be returning to Earth on the Boeing Starliner spacecraft. Instead, they will be brought back by SpaceX's Dragon capsule...

 13 Hidden Settings to Make Your iPhone More User-Friendly!

13 Hidden Settings to Make Your iPhone More User-Friendly!

13 Hidden Settings to Make Your iPhone More User-Friendly!Do you ever find your iPhone a bit frustrating to use? Don't worry, this article will share 13 little-known settings that can help you optimize your iPhone and make it more user-friendly!1. Turn off App Tracking: Want to protect your privacy? Disabling App Tracking effectively prevents apps from collecting your personal data...

 The Intertwining of Paper and Web: Contemplating the Future of Business in a Bookstore

The Intertwining of Paper and Web: Contemplating the Future of Business in a Bookstore

The Intertwining of Paper and Web: Contemplating the Future of Business in a BookstoreThe commercial tides in my city are a relentless river, witnessing the evolution and collision of consumption patterns. As night falls, under the neon lights, there's a silent rivalry between brick-and-mortar stores and e-commerce...

 Why Do We Always Board Planes from the Left? Historical and Safety Considerations

Why Do We Always Board Planes from the Left? Historical and Safety Considerations

Why Do We Always Board Planes from the Left? Historical and Safety ConsiderationsHave you ever noticed that, regardless of the aircraft you board, we always enter through the left side door? This isn't a coincidence; it's rooted in a rich history and thoughtful safety considerations.A Habit Stemming from the Age of SailingThe tradition of boarding planes from the left can be traced back to ancient seafaring...