
Fundamentals
Do air particles travel from a speaker to your ear?
Seeing sound travel
See how vibration becomes sound, and how instruments shape what we hear.

Seeing sound travel

A cochlea that sorts pitch

Open-back headphones

Sending a message on a wave

Measuring an ultrasound echo

Which motion changes the pitch?

Tuning a driven oscillator
7 experiments to explore. No account. Just curiosity.