Most solid materials we rely on, from steel, to plastics and ceramics, are designed to have specific properties. Whether a material is soft and flexible, or stiff and tough depends on how molecules ...

Opus 4.6, Sonnet 4.6, and other large language models (LLMs) to help me construct a nuclear weapon. All of them said no. Let’s be clear, my lack of knowledge is not the real barrier to constructing ...