Price Trends - The average price of Nanhai Nonferrous Aluminum in Foshan is reported at 24,000 with a price range of 23,950 to 24,050, reflecting an increase of 20 [1][2][3] - The average price for Guangdong Nanchu South China Aluminum is 23,740, within a range of 23,710 to 23,770, also up by 20 [1][2][3] - China Hongqiao's A00 aluminum is priced at 23,840, showing an increase of 30 [1][2][3] - The Shanghai spot aluminum price averages 23,700, with a range of 23,680 to 23,720, up by 20 [1][2][3] - The price for Chalco's East China aluminum ingot AL99.70 is 23,710, increasing by 30 [1][2][3] - Chalco's South China aluminum ingot AL99.70 is priced at 23,740, reflecting a rise of 20 [1][2][3]

Price Trends - The average price of Nanhai Nonferrous Aluminum in Foshan is reported at 21,920, with a price range of 21,870 to 21,970, reflecting an increase of 140 [2][3] - The average price of Guangdong Nanchu South China A00 aluminum is 21,640, within a range of 21,610 to 21,670, showing an increase of 120 [2][3] - China Hongqiao A00 aluminum has an average price of 21,880, increasing by 120 [2][3] - Shanghai Huaton aluminum ingot (99.7%) has an average price of 21,800, with a price range of 21,780 to 21,820, also up by 120 [2][3] - The average price of Shanghai spot aluminum is 21,730, within a range of 21,710 to 21,750, increasing by 120 [2][3] - The average price of Chalco's East China aluminum ingot (AL99.70) is 21,750, reflecting an increase of 120 [2][3] - The average price of Chalco's South China aluminum ingot (AL99.70) is 21,640, also up by 120 [2][3]

Core Insights - Scientists at Okinawa Institute of Science and Technology have developed a nearly frictionless, freely suspended rotating graphite rotor, addressing the long-standing issue of "eddy current damping" in macroscopic levitation systems [1][2] - This innovation opens new avenues for high-precision measurements and quantum research by allowing experimental subjects to be isolated from external disturbances [1] Group 1: Technical Achievements - The new design eliminates eddy current damping under ideal conditions, enabling the rotor to operate in a contactless, freely suspended state, which significantly enhances measurement accuracy [2] - The rotor, made from a graphite disk approximately 1 centimeter in diameter and rare-earth magnets, demonstrates that perfect axial symmetry can completely eliminate eddy current damping [1] Group 2: Applications and Future Potential - The improved freely suspended rotor is expected to become a core component in high-precision sensors at millimeter and micron scales, applicable in high-sensitivity gyroscopes [2] - It has the potential to enter quantum states at low temperatures, facilitating the exploration of vacuum gravitational effects and other macroscopic quantum phenomena [2]