Science

Smartphone Frequencies on the Oscilloscope

Can smartphones reproduce clean sine waves? We measured our frequency app on a Rigol oscilloscope — both Solfeggio tones and binaural beats. Here is what we found.

The Science of Binaural Beats — What Actually Happens in Your Brain

Two slightly different tones, one in each ear. Your brain hears a third tone that doesn't exist. Here's how that's possible.