Tiny Ripples.

The fabric of space and time.

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1. Google DeepMind:

Our novel Deep Loop Shaping method improves control of gravitational wave observatories, helping astronomers better understand the dynamics and formation of the universe.

To help astronomers study the universe’s most powerful processes, our teams have been using AI to stabilize one of the most sensitive observation instruments ever built.

In a paper published today in Science, we introduce Deep Loop Shaping, a novel AI method that will unlock next-generation gravitational-wave science. Deep Loop Shaping reduces noise and improves control in an observatory’s feedback system, helping stabilize components used for measuring gravitational waves — the tiny ripples in the fabric of space and time. (Sources: deepmind.google, science.org)

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2. China is undertaking a large-scale build-out of infrastructure along its eastern coast, including air and naval sites that show its growing readiness for a potential conflict over Taiwan. Satellite images and other open-source material examined by The Wall Street Journal illustrate how these facilities would strengthen China’s hand if it launched an invasion of the island democracy. Beijing claims Taiwan as its territory and has pledged to take it, by force if necessary. The sites range from a large new base for amphibious warships to a multibillion-dollar airport that sits around 3 miles from front-line Taiwanese islands. “All of it goes to supporting China’s one military planning scenario, which is a Taiwan scenario,” said Michael Dahm, a retired U.S. Navy intelligence officer and senior resident fellow at the Mitchell Institute for Aerospace Studies who closely tracks these projects. (Source: wsj.com)