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The gravitational wave background was first detected in 2016. This was announced after the release of the first dataset by the European pulsar timing array. The second set of data has just been released, combined with the timed array of Indian pulsars, and both studies have confirmed the existence of the background. The latest theory seems to suggest that we are seeing a comprehensive signal of th...
According to the website "interesting engineering" on July 29th, a new study funded by the National Aeronautics and Space Administration (NASA) has revealed for the first time that the airflow in supersonic combustion jet engines can be controlled through optical sensors. This study was conducted by researchers from the School of Engineering and Applied Sciences at the University of Virginia.When ...
Recently, the latest research report from FLEET, an interdisciplinary research team in Australia, revealed a significant leap in laser technology, achieving unprecedented levels of spectral purity.Spectral purity, which refers to the degree of matching of a single light frequency (or color) generated by a laser, is an important indicator for measuring laser performance. By using a scanning Fabry P...
On October 3rd, the 2023 Nobel Prize in Physics was announced, recognizing scientists who have studied attosecond physics, marking the beginning of the attosecond era for humanity.At present, China's first attosecond laser device, the "Advanced attosecond Laser Facility", is being prepared and built in Dongguan, Guangdong, providing strong impetus for breakthroughs in multiple major basic scientif...
Safran Group showcased a 3-foot diameter turbine aft casing manufactured using additive manufacturing technology under the RISE technology program at the Paris Air Show in recent years. This component is Safran's largest additive manufacturing component to date, indicating the increasingly widespread application of additive manufacturing in the design and manufacturing of turbofan engines. In ea...