Anyone who has opened a car window at highway speeds is likely familiar with wind buffeting - the phenomenon where passengers hear a loud reverberation through the cabin as wind oscillates back and ...

The Helmholtz resonating frequency is actually one of three different forms of charge filling associated with intake design. Remember we said the intake design was much more than simple airflow? These ...

One inevitable aspect of cities and urban life in general is that it is noisy, with traffic being one of the main sources of noise pollution. Finding a way to attenuate especially the low-frequency ...

In either the 1850s or 1860s, German physicist Hermann von Helmholz created a device to analyze sound. In 2005, that same sort of device made its way into the airbox of the new 3.8-liter flat-six of ...

We’ve all experienced it at some point. It always starts innocently enough. You’re in a car moving at a relatively fast clip, and then a single passenger rolls down their window. Suddenly, a highly ...

CC0 Usage Conditions ApplyClick for more information. Observe a demonstration of Helmholtz Resonators from the Physical Science Collection at the Smithsonian's National Museum of American History.

Numerous test-and-measurement applications require a high-frequency magnetic field. Oftentimes, high field strength is needed. Examples of such applications include bio-medicine research on the effect ...

Hand clapping is ubiquitous behavior for humans across time and cultures, serving many different purposes: to signify approval with applause, for instance, or to keep time to music. Acousticians often ...

An intriguing mouth-played instrument emerged—and won—at the 2023 Guthman Musical Instrument Contest hosted by Georgia Tech. [Keith Baxter] took notice and reproduced the idea for others to explore.