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At a distance of 325 meters, the human eye may only be able to distinguish between a person's head and body, making it difficult to discern any other differences. But a research team including Heriot Watt University in the UK and Massachusetts Institute of Technology in the US has developed a new type of LiDAR scanner that can perform detailed analysis of a person's face from such a distance and c...
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...
Recently, the research team of Aerospace Laser Technology and System Department of Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, based on 2.1 μ M Ho: YAG main oscillator amplifier pumped ZGP crystal, achieving high energy 3-5 at kHz repetition frequency μ The output of M medium wave infrared laser and further research on beam quality improvement technology for high-...
It is reported that researchers from the University of Waterloo in Canada have reported a study on the plasticity of copper oxide nanowires induced by femtosecond laser. The related research was published in Applied Surface Science under the title "Femtosecond laser induced plasticity in CuO nanowires".Metal oxide nanowires are ideal materials for manufacturing nanodevices, especially strain senso...
The use of photons to directly or indirectly drive chemical reactions has fundamentally changed the field of nanomaterial synthesis, leading to the emergence of new sustainable laser chemistry methods for manufacturing micro - and nanostructures. The incident laser radiation triggers complex interactions between chemical and physical processes at the interface between solid surfaces and liquid or ...