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EurekAlert! is an online science news service featuring health, medicine, science and technology news from leading research institutions and universities. Sponsored by AAAS, the science society. Norwegian University of Science and Technology Graz University of Technology Michigan Medicine - University of Michigan Unive
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News
Preliminary hot-fire test of ammonium dinitramide-based thrusters basedon electrical ignition
2+ week, 6+ day ago (1180+ words) With the increasingly urgent demand for non-toxic, high-specific-impulse propellants in space propulsion systems, ammonium dinitramide (ADN)-based liquid propellants have attracted extensive attention as a new-generation green alternative to hydrazine-based fuels. However, existing ADN-based thrusters all adopt the catalytic ignition…...
‘Now boarding’ … 240,000 miles from Earth, at the moon’s first airport
2+ week, 6+ day ago (1132+ words) As NASA prepares for humanity’s first lunar spaceport, engineers are developing the traffic control system that will keep spacecraft moving safely and efficiently image: Researchers used thousands of computer simulations to study and test how spacecraft can safely position themselves…...
KAIST Identifies a Route to Faster-Charging, Longer-Lasting EV Batteries
3+ week, 18+ hour ago (36+ words) (IMAGE) EurekAlert! Figure 3. Electrochemical, side-reaction, and mechanical behavior analyzed in this study. More on this News Release KAIST identifies a route to faster-charging, longer-lasting EV batteries...
Tire-derived chemical pollution in China could keep rising despite vehicle electrification
3+ week, 5+ day ago (376+ words) A national assessment finds that emissions of the tire antioxidant 6PPD increased about sevenfold from 2000 to 2020, with soil and rural road networks playing major roles in its environmental distribution Credit: Wentao Teng, Xiaoyi Yu, Yaya Cai, Qian-Qian Zhang, Jian-Liang Zhao, Guang-Guo…...