Engineers have demonstrated that a fully open ventilation channel can absorb most incoming sound across a broad range of frequencies. That result breaks a long-standing tradeoff between airflow and ...

In everyday life, designing spaces that both let air flow and absorb sound can be a tricky balancing act. Usually, materials that allow air to pass through—like vents—also let sound escape, making it ...

Good morning. Connecticut educators and legislators are calling for improved air quality in schools. A group of advocates led by State Senator Julie Kushner on Tuesday, requested a 10-year extension ...