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In February 2026, Elon Musk announced his intention to install data centers in orbit to run artificial intelligence. Very quickly, one argument dominated the comments: in space, cooling would be “free”, since it is very cold there. This widely shared claim is nevertheless false. It reveals a common confusion between temperature, heat, and heat transfer. Above all, it offers a valuable opportunity to develop critical thinking and to revisit simple but fundamental questions: wh

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 Or

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...

The FizziQ Spreadsheet is an integrated tool within the app that allows users to enter, manipulate, and visualize numerical data....

Ask FizziQ is a smart scientific assistant integrated into the FizziQ app. It allows you to ask questions about scientific concepts,...

FizziQ's Text Input module is a sophisticated component that allows users to enter and display rich text, with special support for...

For teachers looking to organize a video analysis session of a movement, one of the main challenges is often finding a suitable video....

You have probably already tried to disturb a compass by bringing a magnet close to it, but have you ever tried the same experiment with your smartphone's electronic compass? In the video below, we conducted the experiment, and the result is surprising: the smartphone's compass appears to be unaffected by the presence of a magnet. Why such behavior? As a scientist, can we trust the magnetometer data? And what are the implications for measuring magnetic fields with a smartphone