Please enable JavaScript to view this page correctly Chairman of the Board of Directors of HKBU Chinese Medicine Hospital Company Project Director of the Chinese Medicine Hospital Project Office from the Health Bureau of the Government of the Hong Kong Special Administrative Region (HHB) participated in the signing ceremony of a strategic collaboration agreement between The Chinese Medicine Hospital of Hong Kong (CMHHK) and TCM-Klinik Bad Kötzting (TCM-KBK) in Germany The strategic collaboration is a significant milestone as it will effectively expand the international connections of CMHHK foster exchange between the East and the West The signing of this agreement will enable Hong Kong to play a pivotal role as the nation’s window to the world support the country’s initiative to promote the global reach of Chinese medicine and reinforce CMHHK’s role as the flagship institution in Chinese medicine in Hong Kong the collaboration between CMHHK and TCM-KBK involves the exchange of Chinese medicine talents promoting the development of clinical applications of the interaction between Chinese and Western medicines and establishing a scientific research network for Chinese medicine Both hospitals will jointly formulate Chinese medicine clinical pathways and enhance international collaboration between Chinese medicine and other health professions They will facilitate talent exchange by inviting Chinese medicine experts from TCM-KBK to participate in clinical training and research projects at CMHHK while also organising exchange visits for CMHHK clinical and research staff to TCM-KBK.  The two parties will advance the clinical application of herb-drug interactions by collecting and analysing clinical data on the interaction between Chinese and Western medicines they will establish a research collaboration network to promote clinical research in Chinese medicine MM Activ Singapore Pte Ltd 1 North Bridge Road,#08-08 High Street Centre communications@biospectrumasia.com +65 90150305 Copyright 2025 MM Activ Singapore Pte Ltd The world's largest (4 x 4 m) ring-laser gyroscope for Earth rotational measurements is currently under construction in an underground laboratory at Wettzell Fundamental Research Station a geodetic laboratory near Kötzting in the Bavarian Forest mountains of Germany The DM17 million ($7.75 million) project was commissioned by the German Federal Cartography and Geodesy Office (Frankfurt which is being built by Carl Zeiss (Oberkochen The centerpiece of the ring-laser gyroscope is a disk of thermally stable Zerodur ceramic glass produced and ground by Schott Glas (Mainz) This slab has been placed on a 60-cm-thick granite slab with a weight approaching 10 tons which is embedded in a monumental concrete table in the laboratory (see photo) Because variations in air pressure and temperature could still have some influence on the volume of the Zerodur disk it is enclosed in a steel tank for thermal protection of the ring laser and to ensure constant air pressure A control system eliminates any pressure variations caused by weather conditions Ring-laser gyroscopes have long been used in aircraft navigation This system is intended to increase the sensitivity of the technology more than 1000 times over permitting precision measurement of irregularities in the Earth's velocity of rotation These data can help correlate stationary reference systems in the form of extraterrestrial objects such as quasars or stars Such measurements are essential for satellite-based navigation systems technical project manager at the Research Institute for Satellite Geodesy of the Technical University of Munich these precise rotational measurements could also help geophysicists gain a better insight into Earth's interior structure four highly reflective deflecting mirrors form a closed beam path When a gas mixture of helium and neon contained in a stainless-steel tube is excited by radio waves the resonator turns into a laser for two counter-rotating beams the beams traveling clockwise and counterclockwise display identical frequency the frequencies differ by an amount dependent on the speed of rotation of the system general project manager and director of the Wettzell station can be used to determine the velocity of Earth's rotation and the difference in frequency is very small which translates to a need for extreme measurement accuracy and resolution in the microhertz range—precision only possible with a very large ring laser Paula Noaker Powell was a senior editor for Laser Focus World.