Significant improvement in efficiency of third-generation solar cells
Science and Technology Daily, Beijing, February 18 (Reporter Zhang Mengran) According to the latest research published by the British journal Nature Energy, an international joint team has successfully manufactured perovskite/silicon double-layer single chip batteries. Under outdoor conditions, double-sided series solar cells achieve efficiency that exceeds that of any commercial silicon solar panel...
Record breaking distance measurement for domestic 77 GHz millimeter wave chip packaged antenna
Science and Technology Daily News (Reporter Wu Changfeng): According to China Electronics Technology 38 Institute, at the 68th International Solid State Circuit Conference (ISSCC2021) held on February 17th, the institute released a high-performance 77GHz (gigahertz) millimeter wave chip and module, achieving the first international integration of two 3-transmitter and 4-receiver millimeter wave chips and 10 channel millimeter wave antennas in a single package, with a detection distance of 38.5 meters, Set a new global record for the farthest detection distance of millimeter wave packaged antennas...
Optical band signals can be used as probes for detecting hot Jupiter atmospheric escape
Latest Discovery and InnovationKunming, Science and Technology Daily, February 18 (reporter Zhao Hanbin, correspondent Chen Yan) The reporter learned from the Yunnan Observatory of the Chinese Academy of Sciences on the 18th that the observatory, in cooperation with researchers at the University of Arizona in the United States, found that signals in the optical band can be used as probes to detect the atmospheric escape of hot Jupiter. The internationally renowned journal "Astrophysical Journal Express" published this achievement...
Be vigilant when this line appears during mobile transfer!
Attention everyone!When using WeChat transferIf this interface appears on your phoneBe vigilantIndicates that there is a significant risk to your current paymentThe "15 minute cooldown period" set by the payment platformVery critical!Credit seller pays firstThe goods did not arrive and people disappearedXiaofang, a college student from a certain place, is a "shopping maniac" who likes to watch live shopping broadcasts when she is idle. Recently, Xiaofang fell in love with a special offer product from a certain anchor named Amway, but the product has been sold out on various shopping platforms...
Adding Energy to Sports Through Technology (Sports Mission Hills)
The venue reservation is completed with one click, the "face brushing" automatically opens the gate, and the water temperature and quality are clear at a glance....
Digitalization Assists the Transformation of the Publishing Industry (Continues the Historical Context to Compose Contemporary Huazhang)
At the digital experience exhibition of the canal, created by Jiangsu Phoenix Publishing and Media Group Co., Ltd...
287 bird species were observed in Cuihu Wetland this year
Yesterday, five previously rescued red falcons were released from the Cuihu National Urban Wetland ParkYesterday was the 11th "Beijing Wetland Day", and the Cuihu National Urban Wetland Park in Haidian District held a commemorative event to commemorate its 20th anniversary and 10th anniversary of its protective opening. Beijing Youth Daily reporter learned from the Haidian District Garden and Greening Bureau that this year, 287 species of birds were observed in the Cuihu Wetland, an increase of 65% compared to the beginning of its opening...
China's first set, successful sea trial!
Recently, China's first marine floating thermoelectric power generation device, led by the Guangzhou Marine Geological Survey of the China Geological Survey, successfully completed sea trials, marking a crucial step forward in China's marine thermoelectric development and utilization from land trials to offshore engineering applications.Ocean thermal energy refers to the thermal energy formed by the temperature difference between the surface seawater and the deep seawater in the ocean...
Robots that can learn work in intelligent factories, allowing carbon fiber arrow stem errors to be controlled within micrometers
Reporter Zhang QiGuided by the Network Communication Bureau of the Central Cyberspace Administration and the Tax Propaganda Center of the State Administration of Taxation, and hosted by the Cyberspace Administration of the Party Committees of 9 provinces and cities including Shandong, the "Decoding the 'Little Giant' - Specialized, Refined, Special, and New Look at China" online themed promotional activity was launched on September 17th in Weihai, and a 5-day centralized interview was conducted in 5 cities including Weihai, Yantai, Weifang, Zibo, and Jinan.Weihai Baowei New Materials Factory AreaThe output value continues to rise, but there are only 42 workers...
The steel truss roof of the North Station Building of Changde Station has been successfully lifted! Appearance design prototype display
Replay suspend 00:04 / 00:30 direct seeding 00:00 Enter full screen 0 Click and hold to drag videos Construction site.The appearance design of the North Station Building of Changde Station, featuring "Peach Blossoms Blooming and Wuling Soaring", is emerging in its embryonic form...
China Youth Daily: Why Young Researchers Are Passionate about Chasing "Hats"
The talent "hat" that is hotly discussed in the technology industry mainly refers to talent programs and research projects funded by talents. The purpose of talent programs is to care for, select, and support talents, while research projects provide research funding for outstanding scientific and technological talents, playing a role in cultivating and motivating them...
Insect sized robots can carry items weighing 22 times their own weight
Xinhua News Agency, Washington, September 17 (Xinhua) - Researchers from institutions such as Cornell University in the United States have recently developed a robot the size of an insect. This quadruped micro robot can not only crawl and jump, but also carry 22 times its own weight...