News on China's scientific and technological development.

tphuang

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Technically couldn't Germany just buy from China and sell to Japan?

However that would make Japan Inc less competitive, unless there is a specific agreement between the two countries to secretly sell at cost.
why would German companies that make GaA and GaN wafers want to help their competitors? Why would they not become the only Western suppliers and charge a premium?
 

Wrought

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Speaking of rare earths, human capital matters just as much as capex.

U.S. President Donald Trump and other Western leaders have pledged billions of dollars in investments to break China’s chokehold on rare earths refining – a powerful lever Beijing has
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in its trade war with Washington. But China still holds a significant advantage in the pipeline of talent that it has developed over decades in places like Baotou.

China has created an ecosystem of more than 40 specialist rare earth laboratories that produce cutting-edge research, supplemented by at least 11 universities and technical colleges that collectively enroll more than 500 students annually in rare earths degree programs, a Reuters examination has found. That accumulated expertise sustains Beijing’s grip on global supplies of refined rare earths.

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Tomboy

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Pretty interesting breakthrough with high speed camera. Revealer unveiled their ACE 65 which could do 80000fps@1MP at 12bit depth, it uses a BSI CMOS with a quantum efficiency up to 88 percent and pixel size of 28 micrometers. To my knowledge, this is basically state of the art globally, closest competitor would be the Phantom TMX 7510 which has a slightly lower fps at 1MP and a much smaller pixel size which could hurt low light capabilities.

Anyhow this could be a important domestic breakthrough as these cameras are quite scientifically valuable. You'd need them for combustion analysis, ballistics testing, material testing, fluid dynamics etc or basically anywhere where you'd want to capture a extremely short transient event in high detail.
 
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PopularScience

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The high-performance precision forming team of the School of Mechanical Engineering at Dalian University of Technology has successfully achieved mass production of integral propellant tank bottoms with a diameter of over 2 meters based on the world's first "ultra-low temperature forming technology". This reduces the manufacturing cycle by more than 90% and is expected to reduce costs and increase efficiency for high-frequency launches in commercial aerospace.

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