Illustration: Lindsey Bailey/AxiosAnthropic is working with the Department of Energy's nuclear specialists to ensure its models don't help people make weapons, the company first shared with Axios. Why it matters: Anthropic believes this is the first time a frontier model has been used in a top secret environment, paving the way for similar partnerships with other government agencies.Zoom in: Anthropic said Thursday that it's been working with DOE's National Nuclear Security Administration since ...