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A new European research project is exploring whether the same fibre-optic cables that carry our internet could also serve as real-time sensors for hidden damage in infrastructure, including bridges, railways, tunnels and energy pipelines. The €5.1 million ECSTATIC project, coordinated by Aston University in the UK, is trialling this breakthrough approach in a major UK city, using a heavily-used...
IntroductionThe small hole mode swing laser welding has gained increasing recognition due to its ability to bridge gaps, refine microstructures, and enhance the mechanical properties of welds. However, the effects of amplitude, frequency, welding speed, laser beam power, and beam radius on heat flux distribution, melting mode, and three-dimensional temperature field have not been well understood. ...
On July 24, Lumibird, a well-known French optoelectronics company, released its latest semi-annual report. In the first half of the year, Lumibird's revenues were 97.2 million euros, up 16 percent from the same period last year. Of this, the Optoelectronics division contributed 45.9 million euros and the remaining 51.3 million euros came from its medical division. In the second quarter (Q2) ended ...
Main author: Yanming Zhang, Wentao Yana*The first unit: National University of SingaporePublished Journal: Acta MaterialiaResearch backgroundIndustry pain point: Although laser powder bed melting (LPBF) technology can manufacture complex components, the lack of consistent product quality is still the core bottleneck restricting its industrial application. Research has shown that up to 35% of proce...
A powerful telescope in South Africa has detected a space laser 5 billion light-years away from Earth, known as the "megamaser". Scientists named it Nkalakatha, which means "big boss" in Zulu language.Nkalakatha is the farthest hydroxyl giant detected so far, discovered by the MeerKAT telescope on the first night of the survey, which is expected to include 3000 hours of observation. The team of sc...