The Shepard Tone : an infinite rise… or almost You're surely familiar with the Penrose staircase illusion, the seemingly endless staircase popularized by the artist M.C. Escher. But are you familiar with the Shepard Tone, an acoustic illusion conceived in the 1960s by the American psychologist Roger Shepard, which creates the impression that a sound rises—or falls—without ever reaching a peak? Let's explore and analyze this astonishing sound effect with the FizziQ app. The Origins of Illusion...

Quand on enseigne les sciences au collège ou au lycée, utiliser des smartphones en classe n'est pas toujours évident. C'est pourquoi nous avons développé FizziQ Web, une version navigateur de l'application mobile qui s'adapte parfaitement aux ordinateurs et à leur écran horizontal.

We’re excited to introduce FizziQ Anthracite , our brand-new version, available today for all beta testers. It’s a major update, with...