Science & Technology
Over 70 new technologies to be applied in Beijing Winter Olympics
Beijing has tested more than 200 new technologies for the Winter Olympics and will apply more than 70 of them during competitions, local authorities said on Friday.
The over 200 technologies, involving information engineering and software engineering, public safety, high-definition videos, 5G and new energy and other fields, can be used for more than 60 purposes such as security and epidemic prevention, Reuters reported.
Among them, more than 20 technologies are outstanding in terms of technological advancement and application. For example, the Winter Olympics will adopt an aerosol detection system for the novel coronavirus in public spaces.
“It can monitor and rapidly detect the virus in the air inside a venue and send early warnings with detection sensitivity three times higher than that of traditional methods. This technology has been tested and verified at the National Speed Skating Oval and the Ice Cube,” said Wang Jianxin, level-two counsel of the Beijing Municipal Science and Technology Commission, at a press conference of the Beijing Municipal People’s Congress.
According to the report focusing on venue construction, venue operation, transportation and logistics, the city has promoted research on green and low-carbon technologies to help achieve the goal of a green and low-carbon Winter Olympics.
“We have established a smart integrated digital twin management platform by carrying out research on green and smart stadium construction and low-energy operation technology, and applied the technology to the construction of the National Speed Skating Oval, which is also known as the ‘Ice Ribbon’. The technology helped save two months and nearly 3,000 tons of steel in the construction of the main structure. The precise environmental control platform built at the National Winter Sports Training Center has become the ‘general energy manager’ of the venue with the daily energy consumption down more than 10 percent,” said Wang.
To ensure the smooth operation of the Winter Olympics, Beijing researched on a number of technological applications focused on the food, engineering construction, and operation support.
In addition, it has also promoted the application of new technologies such as artificial intelligence, high-definition display, and virtual reality in event reporting and broadcasting to enhance the experience of audience.
“Our technical solution of cloud broadcasting has been verified many times in testing events. During the competitions, we will make ‘bullet time’ videos for the OBS (Olympic Broadcasting Services) and the video service system of the Beijing Winter Olympics press conference. In addition, we have also developed a virtual tour guide system based on 3D space reconstruction technology, which offers fresh experiences to athletes and spectators with scene display and VR tour guide functions,” said Wang.
At present, the 3G, 4G, and 5G network signal testing of the four competition venues in Zhangjiakou, another host city of the Beijing Winter Olympics, has been completed, improving the real-time download speed to 1.7 Gbps and the upload speed 300 Mbps.
By setting up a large number of multi-band and multi-form 5G base stations, the communication support team achieved full signal coverage of the tracks, indoor and temporary construction areas of the venues, and used technical equipment resistant to snow, cold, and strong winds to fully meet the communication requirements of the Winter Olympics, Reuters reported.
Science & Technology
Ethiopian volcano erupts for first time in nearly 12,000 years
Ash from the eruption drifted across the region, spreading over Yemen, Oman, India, and parts of Pakistan.
The Hayli Gubbi volcano in Ethiopia’s Afar region has erupted for the first time in almost 12,000 years, sending massive ash plumes soaring up to 14 kilometres into the atmosphere, according to the Toulouse Volcanic Ash Advisory Centre.
The eruption began on Sunday and lasted several hours. Hayli Gubbi, located around 800 kilometres northeast of Addis Ababa near the Eritrean border, sits within the geologically active Rift Valley, where two major tectonic plates meet. The volcano rises roughly 500 metres above the surrounding landscape.
Ash from the eruption drifted across the region, spreading over Yemen, Oman, India, and parts of Pakistan. Satellite imagery and social-media videos captured a towering column of white smoke billowing into the sky.
The Smithsonian Institution’s Global Volcanism Program notes that Hayli Gubbi has no recorded eruptions during the Holocene, the period dating back about 12,000 years to the end of the last Ice Age.
Volcanologist Simon Carn of Michigan Technological University also confirmed on Bluesky that the volcano had “no record of Holocene eruptions.”
Science & Technology
Cloudflare outage easing after millions of internet users affected
A global outage at web-infrastructure firm Cloudflare began to ease on Tuesday afternoon after preventing people from accessing major internet platforms, including X and ChatGPT.
Cloudflare, whose network handles around a fifth of web traffic, said it started to investigate the internal service degradation around 6:40 a.m. ET. It has deployed a fix but some customers might still be impacted as it recovers service.
The incident marked the latest hit to major online services. An outage of Amazon’s cloud service last month caused global turmoil as thousands of popular websites and apps, including Snapchat, were inaccessible due to the disruption.
Cloudflare – whose shares were down about 5% in premarket trading – runs one of the world’s largest networks that helps websites and apps load faster and stay online by protecting them from traffic surges and cyberattacks.
The latest outage prevented users from accessing platforms such as Canva, X, and ChatGPT, prompting users to log outage reports with Downdetector.
Downdetector tracks outages by collating status reports from a number of sources. “We saw a spike in unusual traffic to one of Cloudflare’s services beginning at 11:20 UTC. That caused some traffic passing through Cloudflare’s network to experience errors,” the company said in an emailed statement.
“We are all hands on deck to make sure all traffic is served without errors.”
X and ChatGPT-creator OpenAI did not immediately respond to requests for comment. – REUTERS
Science & Technology
China sends its youngest astronaut to ‘Heavenly Palace’ space station
China’s Shenzhou-21 space rocket and its crew including the youngest member of its astronaut corps blasted off on Friday atop a Long March-2F rocket from the Jiuquan Satellite Launch Centre in northwest China, Chinese state media reported.
It was the seventh mission to the permanently inhabited Chinese space station since it was completed in 2022, Reuters reported.
Missions on China’s Shenzhou-21 spacecraft involve trios of astronauts on six-month stays in space, with veteran astronauts increasingly replaced by younger faces. First-timers Zhang Hongzhang, 39, and Wu Fei, 32 – China’s youngest astronaut to be sent to space – were picked to participate in the programme in 2020.
Commander Zhang Lu, 48, flew on the 2022 Shenzhou-15 mission.
FIRST SMALL MAMMALS ON SPACE STATION
The Shenzhou-21 astronauts will take over from the Shenzhou-20 crew who had lived and worked on board Tiangong, or “Heavenly Palace”, for more than six months. The Shenzhou-20 astronauts will return to Earth in the coming days.
The Shenzhou-21 crew were also joined by four black mice, the first small mammals to be taken to the Chinese space station. The mice will be used in experiments on reproduction in low Earth orbit.
Biannual launches have become the norm for the Shenzhou programme, which has in the past year reached new milestones with the deployment of Chinese astronauts born in the 1990s, a world-record spacewalk, and plans to train and send the first foreign astronaut, from Pakistan, to Tiangong next year.
The rapid advances have raised alarm bells in Washington, which is now racing to put a U.S. astronaut on the moon again before China does.
Both countries are also competing in nascent institution-building efforts, with the U.S.-led Artemis Accords on lunar exploration matched up against the Chinese and Russian-led International Lunar Research Station.
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