Chinese Extravehicular Spacesuit B Supports 20 EVAs
According to the China Astronaut Research and Training Center, the extravehicular spacesuit B, worn by astronaut Chen Dong during the third series of extravehicular activities (EVAs) by the Shenzhou-20 crew aboard China's orbiting space station on August 15, has supported 20 EVAs in total. The extravehicular spacesuit B has been used by 11 astronauts during eight manned spaceflight missions.
99.99997% Purity Helium Gas Produced
The first domestic unit capable of extracting ultra-pure helium gas of 6N9 grade from natural gas recently passed the acceptance test. The facility in Shaanxi province produced helium with 99.99997% purity and neon impurity content below 0.3 ppm from natural gas in its first operational run. This is a breakthrough in helium extraction from low-abundance natural gas for China.
Quantum Electromagnetic Fields Sensed at Picosecond
Researchers from France and Finland have developed a technology of quantum sensing of time-dependent electromagnetic fields with single-electron excitations. Within a timescale of picosecond (one trillionth of a second), this technology can detect both the strength of the electromagnetic field and its quantum fluctuations. It may lead to new tools for manipulating quantum electromagnetic fields directly on-chip.
New System Avoids Objects to Deliver Massive Data
Ultrahigh frequency bandwidths are easily blocked by objects. However, researchers from Princeton University have developed a system that shapes transmissions to avoid obstacles coupled with a neural network that can rapidly adjust to a complex and dynamic environment.