Judge for yourself

Sunlight, tiny air molecules and a color that scatters more than the others: the sky, explained in under a minute.

English narrationCleanphysicsgeneral audienceDuration 1:14

Copies of the video parked close to you: the trip from the origin server to your phone, minus the long haul.

English narrationIllustratedperformanceinfrastructureDuration 1:10

Public keys, private keys, and why even the server in the middle can’t read what you send.

English narrationNightcryptographymessagingDuration 1:10

Git’s three core moves, explained to someone who has never opened a terminal.

French narrationIllustratedbeginnersdev toolsDuration 1:35

Four satellites, atomic clocks and a bit of geometry: your position, live.

French narrationIllustratedphysicsgeneral audienceDuration 1:32

Why a website remembers you, and what changes between a session cookie and a token.

French narrationIllustratedauthenticationbrowserDuration 1:41

What a compiler does, step by step, down to the instructions the CPU understands.

French narrationIllustratedlanguageslow levelDuration 1:37

Public keys, private keys: why even the server can’t read your messages.

French narrationIllustratedcryptographymessagingDuration 1:39

Copies as close to you as possible: a video’s trip from the origin server to your phone.

French narrationIllustratedperformanceinfrastructureDuration 1:34

A waiter splitting orders between the cooks: the load balancer, jargon-free.

French narrationIllustratedinfrastructureshort formatDuration 0:56