Do Air Conditioner Outdoor Units Need to Be Covered? The Truth is Out There!In the sweltering heat of summer, air conditioners become our essential weapons against the scorching sun. However, whether the outdoor unit of our air conditioner needs to be covered, exposed to the sun and rain, has become a lingering question in many people's minds...

Scan Me vs. "You Scan Me": A Guide to Secure WeChat Payment OptionsWith the widespread adoption of mobile payment, WeChat Pay has become an integral part of our daily lives, facilitating everything from everyday shopping to online transfers...

20th Anniversary of Wang Wei's Disappearance: Reflecting On Aviation Rescue Technology and ChallengesThe disappearance of Wang Wei revealed the immense challenges faced by aviation rescue:In cases similar to Wang Wei's disappearance, the pilot's survival environment is often extremely harsh, making time a critical factor. Rescue teams need to pinpoint the missing pilot's possible location as quickly as possible and initiate precise rescue operations...

COVID-19 Infection Situation Update: Slight Increase in COVID Positivity Rate Among Flu-Like CasesRecently, there has been a slight increase in the rate of COVID-19 positivity among flu-like cases globally. This trend is being observed worldwide, according to the World Health Organization's "Latest Situation on COVID-19" report released on July 15th...

Wang Yaping: The "Earth Warrior" Returning from the MoonWhen we talk about lunar exploration, we often picture magnificent spacecraft and brave astronauts. However, today, I want to introduce to you a true "Earth warrior" - Wang Yaping...

Cement: From Invention to Application, Unveiling the Evolution and Future of Building MaterialsCement, an indispensable material in modern construction, traces its roots back to the early 19th century. In 1824, Joseph Aspdin, an Englishman, invented cement by mixing limestone and clay and burning them at high temperatures...

Gratitude and Betrayal: The True Stories of Two Peking University AlumniGratitude is a traditional virtue in Chinese culture. However, in real life, there are always stories that make us wonder if kindness can be reciprocated, and if doing good deeds will always lead to good outcomes...

How Desperate Can the Average Person Get Due to Information Gap? Netizens: Why Haven't I Heard of This?"Three Supports and One Help" is short for "supporting education, agriculture, and poverty alleviation," a grassroots service program aimed at college graduates. This program provides graduates with a certain amount of subsidies and benefits, helping them gain work experience and contribute to society...

A Map with Heart: Your Hilarious, Surprise-Filled Navigation BuddyIn our fast-paced world, navigation apps have become an essential part of our lives, serving as reliable "guiding lights." Among these apps, Amap (also known as AutoNavi) stands out as a true "navigation superstar" with its unique charm, earning a special place in the hearts of users...

Airplane Mode on Your Phone: A Super Useful Feature You Can Use Every DayIn our daily use of smartphones, we often see the option Airplane Mode, but many people may not be aware of its true purpose. Today, let's take a closer look at this seemingly simple but powerful phone setting and see why it can be a powerful tool in our daily use...

Curved Screen Phones: A Stylish Trap or a Practical Nightmare?Looking at the painful crack on his phone screen, Mr. Zhang fell into deep thought...

Amazon in China: Reflections on the Fall of a GiantAmazon, the once-dominant force in global e-commerce, suffered a crushing defeat in its foray into the Chinese market, ultimately exiting with a staggering $6 trillion in assets. This begs the question: What led to Amazon's downfall in China?Global e-commerce giant, ambitious foray into the Chinese marketFounded in 1994, Amazon began as a modest online bookstore, but within a few short years, it evolved into the world's largest e-commerce platform...