The beacon is a massive, high-power electromagnetic pulse—most famously detected by humans as the "Wow! signal" in 1977—that functions as a cosmic "hydrogen line" invitation for primitive species to prove their sentience. By answering this signal using real-time particle entanglement instead of slow radio waves, humanity can bypass the "quarantine" imposed by the Consortium, verify its intelligence to the Assembly, and claim its birthright as a free species.
