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The ocean covers over 71% of the Earth's surface, and so far humans have only explored about 5% of the ocean. This means that there are still 95% of the depths of the ocean that we know nothing about, making it the most mysterious and unknown place on our planet.600 years ago, Zheng He led a fleet to play the prelude to the era of great navigation, laying the foundation for us to understand the wo...
The Fritz Haber Institute of the Max Planck Institute in Berlin has achieved a technological milestone. The infrared free electron laser operates in dual color mode for the first time. This globally unique technology makes it possible to conduct experiments on synchronous dual color laser pulses, opening up new possibilities for research.There are over a dozen free electron lasers worldwide, with ...
backgroundThe Jörg Debus team from the Technical University of Dortmund in Germany is dedicated to researching optical quantum information processing and quantum sensing in materials with potential applications. The team mainly studies the fine structure of materials under light fields, such as quantum dots, quantum effects of two-dimensional materials, semiconductor defects in diamonds, and ...
Ultra short laser pulses for local welding (Source: Fraunhofer IOF)With the accelerated evolution of electronic devices towards high power, high frequency, and miniaturization, ceramic substrates have become core materials in fields such as power semiconductors, 5G communications, and new energy vehicles due to their excellent thermal conductivity, insulation, and high temperature resistance. H...
On August 30th, Changguang Huaxin released its results for the first half of 2023. In the first half of this year, the company achieved a revenue of 142 million yuan, a year-on-year decrease of 43.23%; Net profit attributable to shareholders of the listed company -10.6374 million yuan, a year-on-year decrease of 117.97%.Due to macroeconomic factors such as a slowdown in economic growth, market con...