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...

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...

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...

Aihuishou: Industry Giant or Consumer Rights Blind Spot?The booming secondhand electronics market has emerged as the third largest consumer sector after real estate and automobiles. However, issues lurking beneath this market prosperity have become increasingly evident...

Connecting One Set-Top Box to Two TVs: Easy Home Entertainment SharingIn modern families, television has become one of the main forms of home entertainment. With the development of technology, more and more people are starting to use set-top boxes to watch TV programs...

Thailand Plane Crash: How Safe Are Small Aircraft Really?On August 22nd, a small plane en route from Suvarnabhumi Airport in Thailand to Trat province in the south crashed in Pak Chong district, Nakhon Ratchasima province, killing 9 people. Following the accident, concerns about the safety of small aircraft have gained widespread attention...

2cm Oversized Luggage Fee of 700 Yuan? Spring Airlines' "Three Overs" Luggage Sparks ControversyOn August 21st, at Shanghai Pudong Airport, a passenger was required by Spring Airlines to pay a 700 yuan oversized luggage fee because her carry-on suitcase was 2 centimeters over the allowed size. This led to an argument with the airline's ground staff at the gate...

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...

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...

Chengdu: China's First "Three-Airport City," the Next Economic Miracle?China's booming aviation industry is evident, with the continuous growth in the number of new routes reflecting not only the prosperity of the aviation market but also the significant role the aviation industry plays in driving urban economic growth. Today, dual-airport cities have become an important hallmark of urban development...

Helicopter "Air Taxi" Service Launches: Kunshan to Pudong in Just 30 Minutes, Ushering in a New Era of Low-Altitude Transportation in the Yangtze River DeltaOn the morning of August 18th, a helicopter carrying two passengers took off from the Kunshan City Aviation Terminal in Jiangsu province, embarking on a point-to-point low-altitude passenger transportation journey involving "air-ground-air" travel. After a nearly 30-minute flight, the helicopter landed at the Shanghai Pudong Xingye Flight Base at 8:58 AM...