Tianhe-2, also known as the Milky Way-2, was developed by China's National University of Defense Technology. In June 2013, it was officially ranked as the world's fastest supercomputer on the TOP500 list. This achievement marked a significant milestone in China's growing capabilities in high-performance computing and technology.
272
Which food delivery service provider has initiated the use of drones for commercial food delivery?
Foodpanda has been a pioneer in testing and implementing drone delivery technology in various international markets to enhance delivery speed and efficiency. These pilot programs represent a significant shift in logistics and the integration of autonomous technology within the food service industry.
273
Which global initiative did the United Nations General Assembly designate for the period 2021–2030?
The United Nations General Assembly officially proclaimed the years 2021 through 2030 as the UN Decade on Ecosystem Restoration. This global movement aims to prevent, halt, and reverse the degradation of ecosystems worldwide, fostering a sustainable future for both nature and humanity by promoting restoration efforts across all continents and oceans.
274
Which nation was the first to withdraw its membership from the United Nations?
Indonesia became the first country to withdraw from the United Nations in 1965. This decision was made by President Sukarno in protest against the election of Malaysia to the UN Security Council. However, Indonesia resumed its full participation in the organization in 1966 following a change in government leadership, marking a unique event in UN history.
275
In which city was the world's first 12-meter long 3D-printed steel pedestrian bridge installed over a canal?
In 2021, Amsterdam became the site of the world's first fully functional 3D-printed stainless steel bridge. The structure was designed by MX3D and installed over the Oudezijds Achterburgwal canal. This project demonstrated the potential of robotic 3D printing technology in civil engineering and urban infrastructure, allowing for complex, organic designs that traditional manufacturing methods could not easily achieve.
276
The international airport known as Somaniya Airport serves which country?
The name 'Somaniya' is a linguistic variation or transliteration associated with Somalia. International airports are typically named after the country or the city they serve. In this context, the name clearly points to the nation of Somalia. This question tests the ability to identify geographical associations between infrastructure names and their respective sovereign states.
277
For what primary activity is Miami Beach widely recognized?
Miami Beach, located in Florida, is a globally renowned resort city. Beyond its famous Art Deco architecture and vibrant nightlife, it has historically served as a prominent venue for various high-profile events, including international beauty pageants. These events have contributed to its reputation as a glamorous destination. While it is a major tourist hub, its association with beauty contests is a notable aspect of its cultural history.
278
In what year did the World Health Organization (WHO) officially declare that smallpox had been eradicated?
Smallpox was a devastating infectious disease that plagued humanity for centuries. Through a massive, coordinated global vaccination campaign led by the World Health Organization, the disease was successfully contained. In 1979, the Global Commission for the Certification of Smallpox Eradication officially declared that smallpox had been eradicated, marking one of the greatest achievements in the history of public health and medicine.
279
Which Commonwealth member state transitioned into a republic in 2021, removing the British monarch as its head of state?
In November 2021, Barbados officially became a republic, ending its status as a constitutional monarchy under the British Crown. This historic transition saw the removal of Queen Elizabeth II as the head of state and the inauguration of the country's first president. This move was seen as a significant step in the nation's post-colonial development and the assertion of its full sovereignty.
280
Which of the following characteristics accurately describes the planet Venus as observed from Earth?
Venus is often referred to as the 'Morning Star' or 'Evening Star' because it is the brightest natural object in the night sky after the Moon. Its high albedo, caused by a thick, reflective atmosphere of sulfuric acid clouds, makes it appear exceptionally brilliant when viewed from Earth, outshining all other planets in the solar system.