
Tiny quantum drumhead sends sound with 1-in-a-million loss—poised to rewrite tech
When a drummer plays a drum, she sets the drumhead into vibration by hitting it. The vibration contains a signal that we can decode as music. When the drumhead stops vibrating, the signal is lost. Now imagine a drumhead that is ultra-thin, about 10 mm wide, and perforated with many triangular holes. Researchers at the…