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...

Experienced CPU Architects Leave Intel Amidst Mass Layoffs to Found RISC-V StartupAs Intel announced its largest-ever layoff plan, a group of seasoned CPU architects decided to leave the tech giant and co-found a RISC-V startup named Ahead Computing. This team reportedly brings over 80 years of combined experience from Intel, and their departure signifies the growing impact of the RISC-V architecture within the industry...

Rescuing the Doomed: How Chinese Scientists Brought Back "Dead" SatellitesIn March 2024, China successfully launched two satellites named DRO-A and DRO-B from the Xichang Satellite Launch Center, marking another significant advancement in Chinese space technology. However, an unexpected incident occurred during the launch: the upper stage of the rocket malfunctioned, causing the satellites to deviate from their intended orbits...

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...

July 17, 2014: The Downfall of MH17 and the International Pursuit of TruthOn a peaceful afternoon of July 17, 2014, MH17 took off from Amsterdam, bound for Kuala Lumpur. This Boeing 777, operated by Malaysia Airlines, carried 298 passengers and crew members from diverse backgrounds and nations...

Will the Physical ID Card Become a Thing of the Past? "Black Technology" Brings an Identity Revolution, How Should the Elderly Cope?The second-generation ID card has become an integral part of our daily lives, but now news is emerging that it may be discontinued soon. Replacing it is an astonishing "black technology" that will fundamentally change the way we verify our identities...

Chinese Companies Strike Back! Feims China Boycotts EVA Group, Defending National DignityA controversy sparked in Paris during the summer of 2024 swiftly took over the Chinese internet, becoming a hot topic of discussion. The heart of the storm was a hotel once favored by Chinese tourists the Evergreen Laurel Hotel and the complex situation it brought about, involving national dignity and corporate responsibility...

Space Electromagnetic Technology Symposium: Focusing on Low-Earth Orbit Commercial Satellite Communication Payloads, Promoting Space Infrastructure ConstructionCurrently, the global aerospace industry is moving towards 6G, and space infrastructure is showing a trend of low-Earth orbit, commercialization, constellation formation, and low cost. In 2024, commercial space was included in the government work report, becoming a new type of productive force and a key driver of space infrastructure construction...

How to Tell a "Real" from a "Fake" Inverter Air ConditionerIn the air conditioning market, inverter air conditioners have become dominant, but there are also many "fake" inverter air conditioners on the market. To avoid buying a "fake" inverter air conditioner, this article will delve into the essential differences between real and fake inverter air conditioners and provide some identification tips to help you choose a truly energy-saving inverter air conditioner...

Giant Rare Earth Deposit: Opportunities and Challenges AwaitThe discovery of a giant fine-grained mineral fossil site in the Gobi desert region of Xinjiang, China, containing enough rare earth resources to sustain human use for seven hundred years, is undoubtedly exciting. However, the exploitation of this massive rare earth mine presents numerous challenges and is not simply a matter of "digging it out...

The Robot Army is Here: Beijing Yizhuang Builds a Future City of Technology!Beijing Yizhuang, a city brimming with technological vitality, is transforming into a bona fide "Robot City." On the streets, humanoid robots stroll leisurely; in factories, industrial robots sweat and toil; in hospitals, medical robots perform miracles of healing...

Thailand Small Plane Crash Kills 9: No Black Box, Investigation to Rely on Witness AccountsA small plane crashed in the eastern Thai province of Chonburi on the afternoon of August 22, killing all 9 people on board. The Chinese embassy in Thailand confirmed that 5 of the passengers were Chinese nationals...