The observed near flatness of galactic rotation curves has long been interpreted as evidence for large amounts of non-baryonic dark matter. Here we show that this phenom ...
Abstract: We introduce a new class of attitude control laws for rotational systems, which generalizes the use of the Euler axis–angle representation beyond quaternion-based formulations. Using basic ...
Innovative approach to THz measurement challenges To tackle this long-standing limitation, a research team led by Jianqiang Gu from Tianjin University, China, has designed and experimentally ...
6-DOF motion, ultra-compact footprint and high-speed photonics alignment algorithms are integrated directly into the controller firmware. SHREWSBURY, MA, Dec. 9, 2025 – PI (Physik Instrumente), a ...
Center of Chemistry for Frontier Technologies, ZJU-NHU United R&D Center, Zhejiang University, 310058 Hangzhou, China Department of Chemistry, Zhejiang University, 310058 Hangzhou, China Center of ...
Abstract: In long endurance underwater vehicle rotational inertial navigation system, the rotation strategy significantly impacts navigation accuracy. To address the limitations of the dual-axis ...
The woman I was talking to seemed very sure of her facts, but they didn’t add up to me. She declared that the axis of the Earth had shifted 6 degrees, and somehow it was the fault of ...
A broad low-pressure area in the Atlantic Ocean midway between the Windward Islands and the coast of West Africa is likely to become a tropical depression or tropical storm before Sept. 21, the ...
UN High Commissioner for Human Rights urged Egypt on Tuesday to end its controversial “rotation” practice, which allows authorities to arbitrarily extend prison sentences beyond their maximum term.
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