You can literally 'blast' away thick fog using nothing but low-frequency sound waves.
April 17, 2026
Original Paper
Efficient Fog Dissipation Induced by Low-Frequency Acoustic Coupling Quantified by Time-Resolved Optical Attenuation Metrics
SSRN · 6591681
The Takeaway
Fog is a major killer in shipping and aviation, but trying to clear it with heat or chemicals is expensive and messy. Researchers found that specific 80-90 Hz sounds—a low, bassy hum—can force tiny water droplets to collide and fall as rain. They discovered that using 'jagged' sound waves instead of smooth ones clears the air even faster. It is a literal 'sonic broom' for the atmosphere. This could lead to safety systems at airports or on self-driving cars that clear a path through the soup with just a speaker.
From the abstract
Dense fog severely degrades visibility and transportation safety, yet acoustically induced fog dissipation lacks visibility-relevant quantitative evaluation. This study presents a laboratory-scale investigation of fog mitigation using low-frequency acoustic excitation (50–120 Hz) combined with a physically grounded optical attenuation framework. A vertically oriented cloud chamber with blue-light transmission sensing enables time-resolved monitoring of fog evolution. Dissipation performance is q