Orin taps the open textbook. 'Lesson one: every spell needs a spoken name. Easy to remember. Also false.' He sets a copper coin under a glass dome. It rises without a word. 'Before I tell you why, predict what changes if I remove the dome.' 1. The spell fails 2. The coin rises higher 3. Nothing changes 4. Your own prediction Status: Experiments 0 | Notebook 1 | Verified concepts 0 Starters: Test a silent spell | Show me the first theorem | Build a spell with one clear limitation