One-Way Sound Walls Proven Possible 177
disco_tracy writes "Imagine a room where a band is playing. Neighbors can't hear the music, but if someone outside the room is talking, the musicians can hear it. The concept — a kind of one-way mirror for sound — seems imaginary, but two Italian scientists recently pushed this kind of sound manipulating technology closer to reality (abstract)."
Wave diode applicable to light? (Score:4, Informative)
Re:I hope it works. (Score:3, Informative)