Alien Phone Calls Could Be Quantum, And We're Not Ready to Hear Them <img width="1024" height="415" src="https://www.sciencealert.com/images/2024/09/coloured_waves_abstract.jpg" alt="abstract waves"/>This could explain the silence. https://www.sciencealert.com/alien-phone-calls-could-be-quantum-and-were-not-ready-to-hear-them