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Why does using Huawei's Ascend 910 chip violate U.S. export controls? Think of it as a "secondary violation.” Here's how it works. 🧵👇(1/5) bloomberg.com/news/articles/…

Clear evidence that Beijing sees US science cuts as an once-in-a-generation opportunity to undermine US talent pipeline advantages. We are at a tipping point. The Trump admin's actions contradict the vision it's articulated to ensure US S&T leadership. 🧵 1/6

The White House just paused ALL visa interviews for foreign students. A disaster for longterm US competitiveness in emerging techs. Five months in, and the damage is adding up. A detailed account of the disruptions to US science, by month. 🧵 /40

Jared Isaacman Absolutely. As the next-gen launch fleet takes shape, it’s worth flagging some deeper dynamics behind the scenes of the U.S. space economy. This CSET paper looks at how U.S. policy can impact competition and innovation in the launch market: 🔗 cset.georgetown.edu/publication/sh…

Hoping we adopt a targeted approach to research security. But mass revocations of Chinese student visas will undermine US tech advantages. >80% of Chinese STEM PhDs stay in the US post-grad. When they do, the US benefits. Intl students are core to US S&T. Here's why 🧵 /15

International students made up more than 40% of the 500k doctoral degrees awarded by U.S. universities between 2000 and 2019. And stay rates for foreign STEM PhDs are high — over 70% remain in the U.S. Jason Riley cited a 2022 CSET report in his new piece for Wall Street Journal Opinion.

All lab researchers know: there are lots of things we *want* to measure, but simply can’t. Instead, we use proxies+really careful interpretation. The same is true of AIxBio safety evals. But, some go well beyond what they're able to measure. So, what can we measure?🧵/8

My latest piece in Barron's explores why SpaceX has not experienced the same decline as Tesla in light of Elon Musk's decline in reputation. barrons.com/articles/trump…

Some of the wildest moments from Trump and Musk’s spat yesterday and what it might mean for SpaceX and the space industry as a whole 🧵

My op-ed in Barron's from last week still remains topical. #TrumpVsElon was a wild day for the internet, but SpaceX remains unshaken despite the President's threats.