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These missiles are too fast to detect. Hypersonic weapons technology is at the heart of a new arms race. Currently, the US, China, and Russia are all competing to develop the most effective long-range hypersonic missiles. A recent report revealed that North Korea has also successfully tested a hypersonic missile on January 5, 2022, the country’s second reported test of a hypersonic missile.

North Korea has also referred to verifying the “fuel ampoule system” during this deployment which means that the liquid fuel used by the missile was sealed at production. This allows for rapid deployment even after the missile has been stored for long periods of time, while also reducing its vulnerability to pre-emptive strikes.

We have now seen what North Korea can do in quite imaginative ways.

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A few years ago, a novel measurement technique showed that protons are probably smaller than had been assumed since the 1990s. The discrepancy surprised the scientific community; some researchers even believed that the Standard Model of particle physics would have to be changed. Physicists at the University of Bonn and the Technical University of Darmstadt have now developed a method that allows them to analyze the results of older and more recent experiments much more comprehensively than before. This also results in a smaller proton radius from the older data. So there is probably no difference between the values — no matter which measurement method they are based on. The study appeared in Physical Review Letters.

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By Helen O’Shea

On a windy, bright day in Lemoore, California another 250 megawatts of clean power was added to California’s energy mix with the dedication of the Aquamarine Solar Project. There are many new solar projects coming online across the country these days, but the Aquamarine project is notable for its innovative development model — it’s part of a 20,000-acre master-planned solar park on fallowed and salt-contaminated agricultural lands in the Westlands Water District in California’s Central Valley.

Disturbed lands farmed for years with no residual habitat value are the perfect place to locate utility-scale solar projects. In 2016 these lands, among many others, were identified as suitable for development by a diverse group of stakeholders through the San Joaquin Valley Least Conflict Solar Planning exercise.

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