frequency articles

What causes acoustic resonance?

Acoustic resonance describes the preferential amplification of sound waves when the frequency of the incoming sound perf...

How do Doppler shifts reveal motion?

The shifting nature of waves provides a direct, measurable window into movement. When we observe anything that generates...

What determines pitch and loudness?

The characteristics that define how we experience sound—whether it is high or low, soft or roaring—are rooted directly i...